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| Class 514 | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
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| This Class 514 is considered to be an integral part of Class 424 (see the Class 424 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 424. | ||
![[List of Pre Grant Publications for class 514 subclass 1]](../as.gif) | ![[List of Patents for class 514 subclass 1]](../ps.gif) | 1 | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) |
| | 2 |  Peptide containing (e.g., protein, peptones, fibrinogen, etc.) DOAI |
| | 3 |  Insulin or derivative |
| | 5 | Iodine containing |
| | 6 | Heavy metal containing (e.g., hemoglobin, etc.) |
| | 7 | Phosphorus containing |
| | 8 | Glycoprotein (carbohydrate containing) |
| | 9 | Cyclopeptides |
| | 12 | 25 or more peptide repeating units in known peptide chain structure |
| | 13 | 16 to 24 peptide repeating units in known peptide chain |
| | 14 | 12 to 15 peptide repeating units in known peptide chain |
| | 15 | 9 to 11 peptide repeating units in known peptide chain |
| | 16 | 7 or 8 peptide repeating units in known peptide chain |
| | 17 | 5 or 6 peptide repeating units in known peptide chain |
| | 18 | 3 or 4 peptide repeating units in known peptide chain |
| | 19 | 2 peptide repeating units in known peptide chain |
| | 21 | Produced by or extracted from animal tissue |
| | 22 | Lignin or derivative DOAI |
| | 23 | Carbohydrate (i.e., saccharide radical containing) DOAI |
| | 24 | S-glycoside |
| | 25 | O-glycoside |
| | 26 |  Cyclopentanohydrophenanthrene ring system |
| | 27 | Oxygen of the saccharide radical bonded directly to a nonsaccharide hetero ring or a polycyclo ring system which contains a nonsaccharide hetero ring |
| | 32 | Oxygen of the saccharide radical bonded to a nonsaccharide hetero ring by acyclic carbon bonding |
| | 33 | Oxygen of the saccharide radical bonded directly to a polycyclo ring system of three or more carbocyclic rings |
| | 34 |  Oxygen of the saccharide radical bonded directly to a polycyclo ring system of four carbocyclic rings (e.g., daunomycin, etc.) |
| | 35 | Oxygen of the saccharide radical bonded directly to a cyclohexyl ring |
| | 36 | Two or more nitrogen atoms bonded directly to the cyclohexyl ring |
| | 42 | N-glycoside |
| | 43 | Nitrogen containing hetero ring |
| | 53 | Dissacharide |
| | 54 | Polysaccharide |
| | 55 | Chitin or derivative |
| | 56 | Heparin or derivative |
| | 57 | Cellulose or derivative |
| | 58 | Dextrin or derivative |
| | 59 | Dextran or derivative |
| | 60 | Starch or derivative |
| | 61 | Tri- or tetrasaccharide |
| | 62 | Glucosamine or derivative |
| | 63 | Silicon containing DOAI |
| | 64 | Boron containing DOAI |
| | 65 | Pyrethrum plant derived material or plant derived rotenone compound containing DOAI |
| | 66 | With heterocyclic compound |
| | 68 | With carboxylic acid ester |
| | 69 | With carboxylic acid metal salt |
| | 70 | With organic nitrogen containing compound |
| | 72 | With organic oxygen containing compound |
| | 74 | With hydrocarbon or halohydrocarbon |
| | 75 | Phosphorus containing other than solely as part of an inorganic ion in an addition salt DOAI |
| | 76 | Amine addition salt of organic phosphorus containing acid |
| | 77 | Inner salt (e.g., betaine, etc.) |
| | 79 | Nitrogen containing hetero ring |
| | 80 | Polycylo ring system having a ring nitrogen in the system |
| | 81 | Nonshared hetero atoms in at least two rings of the polycyclo ring system |
| | 82 | Quinolinyl or isoquinolinyl (including hydrogenated) |
| | 83 | Hetero ring is three-membered consisting of one nitrogen and two carbons |
| | 84 | Hetero ring is six-membered consisting of three nitrogens and three carbons |
| | 85 | Hetero ring is six-membered consisting of two nitrogens and four carbons |
| | 89 | Hetero ring is six-membered and includes only one ring nitrogen |
| | 91 | Hetero ring is five-membered |
| | 95 | Sulfur containing hetero ring |
| | 96 | Polycyclo ring system having the hetero ring as one of the cyclos |
| | 97 | Two or more sulfurs in the hetero ring |
| | 98 | Oxygen in the hetero ring |
| | 99 | Oxygen containing hetero ring |
| | 100 | Polycyclo ring system having the hetero ring as one of the cyclos |
| | 101 | Two or more oxygen in the hetero ring |
| | 102 | Two or more phosphorus atoms directly or indirectly bonded together by only covalent bonds |
| | 103 | Phosphorus acid ester of polyhydric alcohol or thioalcohol (e.g., P-X-R-X-P group, etc., wherein X is chalcogen and R is the residue of the polyhydric alcohol or thioalcohol) |
| | 105 | Phosphorus is part of a ring |
| | 106 | P-O-P or P-S-P containing (e.g., anhydrides, etc.) |
| | 107 | Benzene ring containing |
| | 108 | Acyclic and contains at least one carbon atom between the phosphorus atoms |
| | 109 | P-X-X containing (X is chalcogen) |
| | 110 | Phosphorus is part of a ring |
| | 112 | Cyano or isocyano containing |
| | 114 | Nitrogen, other than nitro or nitroso, bonded indirectly to phosphorus |
| | 115 | N-C(=X)-N containing (X is chalcogen) |
| | 116 | Sulfur single bonded directly to nitrogen |
| | 118 | Phosphorus single bonded directly to nitrogen |
| | 119 | C(=O)N containing |
| | 120 | C=O other than as ketone or aldehyde, attached directly or indirectly to phosphorus |
| | 121 | Plural C=O groups, other than as ketone or aldehyde |
| | 124 | C=O, other than as ketone or aldehyde, attached to a benzene ring |
| | 125 | Ketone or aldehyde containing |
| | 126 | Sulfur not bonded directly to phosphorus |
| | 129 | Oxygen bonded directly to a carbon or hydrogen and wherein the oxygen is not bonded directly to phosphorus |
| | 131 | Nitro group bonded to a carbon |
| | 132 | Nitro group is directly bonded to a benzene ring which benzene ring is either bonded directly bonded to phosphorus or indirectly bonded to phosphorus through a chalcogen |
| | 134 | Acyclic carbon to carbon unsaturation |
| | 137 | Nitrogen bonded directly to phosphorus |
| | 139 | Phosphorus bonded directly to halogen |
| | 140 | (C)(R)P=X(-XC) containing (i.e., Phosphinate (X is chalcogen; R is C or H) |
| | 141 | (CX-) (C)P=X(XH) or (CX-) (R)P=X(XC) containing (e.g., phosphonate, etc.) (X is chalcogen; R is C or H) |
| | 142 | (CX-)(C)P(C),(CX-)(RX-)P(C),(CX-)P(XH)(XH) or (CX-)(CX-)P(-XR) containing (X is chalcogen; R is C or H) (e.g., phosphinite, phosphite, etc.) |
| | 143 | Ester of (HX)P=X(XH)(XH) (X is chalcogen) (e.g., phosphate, etc.) |
| | 149 | Azoxy DOAI |
| | 150 | Acyclic nitrogen double bonded to acyclic nitrogen, acyclic nitrogen triple bonded to acyclic nitrogen or azide DOAI |
| | 152 | 3,10-dihydroxy-2-naphthacene carboxamide or derivative (e.g., tetracycline, etc.) DOAI |
| | 153 | With stabilizer or preservative |
| | 154 | With an additional active ingredient (excludes reaction product or complex) |
| | 155 | Para-N-benzene - sulfoxy-N containing DOAI, and said benzene ring is not part of a polycyclo ring system |
| | 159 | Ortho-hydroxybenzoic acid (i.e., salicyclic acid) or derivative DOAI |
| | 160 | With additional ortho-hydroxybenzoic acid compound |
| | 161 | With heterocyclic compound |
| | 162 | With organic nitrogen containing compound |
| | 163 | With carboxylic acid, ester or metal salt thereof |
| | 164 | With organic oxygen containing compound |
| | 165 | Aspirin per se (i.e., 2-(acetyloxy)benozic acid) |
| | 166 | Nitrogen containing (e.g., anilides, etc.) |
| | 167 | 9,10-seco- cyclopentanohydrophenanthrene ring system (e.g., vitamin D, etc.) DOAI |
| | 169 | Cyclopentanohydrophenanthrene ring system DOAI |
| | 170 | Plural Compounds containing cyclopentanohydrophenanthrene ring systems |
| | 171 | With additional active ingredient |
| | 172 | Hetero ring containing |
| | 173 | Spiro ring system |
| | 174 | -O-C-O- is part of a hetero ring (e.g., acetonide, etc.) |
| | 175 | -C(=O)-O-is part of a hetero ring (e.g., lactone, etc.) |
| | 176 | Nitrogen containing hetero ring |
| | 177 | Oxygen double bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system |
| | 182 | Oxygen single bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system |
| | 183 | Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI |
| | 184 | Heavy metal containing (including salts) |
| | 185 | Polycyclo ring system |
| | 188 | Hetero ring is six-membered consisting of one nitrogen and five carbons |
| | 189 | Tin |
| | 190 | Mercury |
| | 191 | Aluminum (including salts) |
| | 192 | 1-thia-4-aza-bicyclo (3.2.0) heptane ring containing (including dehydrogenated) (e.g., penicillins, etc.) |
| | 193 | Spiro or additional polycyclo ring system |
| | 194 | 6,6-di-substituted |
| | 195 | 3-position substituent contains -COOC- group |
| | 196 | 6-position substituent contains hetero ring |
| | 197 | 6-position substituent contains carbocyclic ring |
| | 200 | 1-thia-5-aza-bicyclo (4.2.0) octane ring containing (including dehydrogenated) (e.g., cephalosporins, etc.) |
| | 201 | 7,7-di-substituted |
| | 202 | Additional hetero ring |
| | 203 | 3-position substituent contains pyridine ring |
| | 204 | 3-position substituent contains sulfur |
| | 205 |  The additional hetero ring is part of a polycyclo ring system |
| | 206 | 7-position substituent contains hetero ring |
| | 207 | Alkyl, hydroxyalkyl, alkoxyalkyl or alkanoyloxyakyl bonded directly to 3-position |
| | 208 | Sulfur containing substituent |
| | 209 | Alkyl, hydroxyalkyl, alkoxyalkyl, or alkanoyloxyakyl bonded directly to 3-position |
| | 210.01 | Hetero ring is four-membered and includes at least one ring nitrogen |
| | 210.02 | Chalcogen double bonded directly to a ring carbon of the four-membered hetero ring which is adjacent to the ring nitrogen |
| | 210.03 | Polycyclo ring system having the four-membered hetero ring as one of the cyclos |
| | 210.04 | Bicyclo ring system having the four-membered hetero ring as one of the cyclos |
| | 210.05 |  Plural ring hetero atoms in the bicyclo ring system |
| | 210.09 | The other cyclo of the bicyclo ring system is five-membered |
| | 210.15 | Chalcogen bonded directly to the ring nitrogen of the four-membered ring |
| | 210.16 | Polycyclo ring system having the four-membered hetero ring as one of the cyclos |
| | 210.17 | Having -C(=X)-, wherein X is chalcogen, bonded directly to the four-membered hetero ring |
| | 210.18 | Additional hetero ring attached directly or indirectly to the four-membered hetero ring by nonionic bonding |
| | 210.19 | Additional hetero ring attached directly or indirectly to the four-membered hetero ring by nonionic bonding |
| | 211.01 | Hetero ring contains seven members including nitrogen, carbon and chalcogen |
| | 211.02 | Monocyclic cyclopentyl ring bonded directly to the seven-membered hetero ring (e.g., prostaglandins, etc.) |
| | 211.03 | Chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen |
| | 211.04 | Polycyclo ring system which contains the seven-membered hetero ring as one of the cyclos |
| | 211.08 | Plural ring nitrogens in the seven-membered hetero ring |
| | 211.09 | Polycyclo ring system which contains the seven-membered hetero ring as one of the cyclos |
| | 211.1 | Three ring hetero atoms in the polycyclo ring system |
| | 211.11 | Tricyclo ring system having the seven-mmbered hetero ring as one of the cyclos |
| | 211.15 | Additional nitrogen containing hetero ring attached directly or indirectly to the seven-membered hetero ring by nonionic bonding |
| | 212.01 | Hetero ring is seven-membered consisting of one nitrogen and six carbons |
| | 212.02 | Spiro |
| | 212.03 | Chalcogen double bonded directly to a ring carbon of the seven-membered hetero ring which is adjacent to the ring nitrogen |
| | 212.04 | Polycyclo ring system having the seven-membered hetero ring as one of the cyclos |
| | 212.05 | Plural cyclos of the polycyclo ring system share ring nitrogen of the seven-membered hetero ring |
| | 212.06 | Plural ring hetero atoms in the polycyclo ring system |
| | 212.07 | Bicyclo ring system having the seven-membered hetero ring as one of the cyclos |
| | 212.08 | Additional hetero ring attached directly or indirectly by nonionic bonding to the seven-membered hetero ring |
| | 213.01 | Polycyclo ring system having the seven-membered hetero ring as one of the cyclos |
| | 214.01 | Ring nitrogen of the seven-membered hetero ring is shared by an additional cyclo of the polycyclo ring system |
| | 214.02 | Plural ring nitrogens in the polycyclo ring system |
| | 214.03 | Two of the cyclos share at least three ring members (i.e., bridged) |
| | 215 | Additional hetero atom in the polycyclo ring system |
| | 216 | Two of the cyclos share at least three ring carbons (i.e., bridged) |
| | 217 | Tricyclo ring system having the seven-membered hetero ring a one of the cyclos |
| | 217.01 | 3-Benzazepines (including hydrogenated) |
| | 217.03 | Additional hetero ring attached directly or indirectly to the seven-membered hetero ring by nonionic bonding |
| | 217.04 | The additional hetero ring is six-membered and contains nitrogen |
| | 217.05 | Plural ring hetero atoms in the additional hetero ring |
| | 217.07 | Polycyclo ring system having the additional six-membered hetero ring as one of the cyclos |
| | 217.08 | The additional hetero ring is five-membered and contains nitrogen |
| | 217.11 | Nitrogen or C(=X), wherein X is chalcogen, bonded directly to the seven-membered hetero ring |
| | 217.12 | Nitrogen or C(=X), wherein X is chalcogen, attached indirectly to the seven-membered hetero ring by acyclic nonionic bonding |
| | 218 | Hetero ring is seven-membered consisting of two nitrogens and five carbon atoms |
| | 222.2 | Hetero ring is six-membered and includes at least nitrogen and sulfur as ring members |
| | 222.5 | Three or more ring hetero atoms in the six-membered hetero ring |
| | 222.8 | Polycyclo ring system having the six-membered hetero ring as one of the cyclos |
| | 223.8 | 1,3,5-Thiadiazines |
| | 224.2 | Polycyclo ring system having the six-membered hetero ring as one of the cyclos (e.g., 1,3- and 1,4- benzothiazines, etc.) |
| | 224.5 | At least three cyclos in the polycyclo ring system |
| | 224.8 | Phenothiazines (including hydrogenated) |
| | 226.5 | One of the cyclos is a 1,2-thiazine (e.g.,1,2-benzothiazines, etc.) |
| | 226.8 | 1,3-Thiazines |
| | 227.5 | 1,4-Thiazines |
| | 228.8 | Hetero ring is six-membered and includes at least nitrogen and oxygen as ring hetero atoms (e.g., monocyclic 1,2- and 1,3-oxazines, etc.) |
| | 229.2 | Three or more ring hetero atoms in the six-membered hetero ring |
| | 229.5 | Polycyclo ring system having the six-membered hetero ring as one of the cyclos (e.g., maytansinoids, etc.) |
| | 229.8 | Tricyclo ring system having the six-membered hetero ring as one of the cyclos |
| | 230.5 | Bicyclo ring system having the six-membered hetero ring as one of the cyclos (e.g., 1,4-benzoxazines, etc.) |
| | 230.8 | Chalcogen bonded directly to ring carbon of 1,4-oxazine ring |
| | 231.2 | Morpholines (i.e., fully hydrogenated 1,4- oxazines) |
| | 231.5 | Additional hetero ring attached directly or indirectly to the morpholine ring by nonionic bonding |
| | 231.8 | Plural morpholine rings attached directly or indirectly to each other by nonionic bonding |
| | 232.8 | Polycyclo ring system having the additional hetero ring as one of the cyclos |
| | 233.2 | Ring nitrogen shared by two of the cyclos |
| | 233.5 | Bicyclo ring system having the additional hetero ring as one of the cyclos |
| | 235.5 | Ring nitrogen in the additional hetero ring |
| | 235.8 | Plural ring nitrogens in the additional hetero ring (e.g., imidazole, pyrazine, etc.) |
| | 236.2 |  Three or more ring hetero atoms in the additional hetero ring |
| | 236.5 | The ring nitrogens are bonded directly to each other (e.g., pyridazine, etc.) |
| | 236.8 | Ring chalcogen in the additional hetero ring (e.g., oxazole, etc.) |
| | 237.2 | The additional hetero ring is attached indirectly to the morpholine ring by an acyclic chain having a hetero atom as a chain member |
| | 237.5 | Having -C(=X)-, wherein X is chalcogen, bonded directly to the morpholine ring |
| | 237.8 | Nitrogen attached indirectly to the morpholine ring by acyclic nonionic bonding |
| | 238.2 | Chalcogen attached directly to the nitrogen by nonionic bonding |
| | 238.5 | The nitrogen is double or triple bonded directly to carbon |
| | 238.8 | Chalcogen attached indirectly to the morpholine ring by acyclic nonionic bonding |
| | 239.5 | Carbocyclic ring attached indirectly to the morpholine ring by nonionic bonding |
| | 241 | Hetero ring is six-membered consisting of three nitrogens and three carbon atoms |
| | 242 | Asymmetrical (e.g., 1,2,4-triazine, etc.) |
| | 244 | Hexamethylenetetramines |
| | 245 | Nitrogen bonded directly to ring carbon of the hetero ring |
| | 246 | Polycyclo ring system having a 1,3,5-triazine as one of the cyclos |
| | 247 | Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) |
| | 248 | Polycyclo ring system having a 1,2- or 1,4-diazine as one of the cyclos |
| | 252.01 | 1,2 diazine attached directly or indirectly to an additional hetero ring by nonionic bonding |
| | 252.02 | The additional hetero ring is a diazine |
| | 252.03 | The additional hetero ring is six-membered consisting of one nitrogen and five carbon atoms |
| | 252.05 | The additional hetero ring is a five-membered nitrogen hetero ring |
| | 252.1 | 1,4 diazines |
| | 252.11 | Plural 1,4-diazine rings attached directly or indirectly to each other by nonionic bonding |
| | 252.12 | Piperazines (i.e., fully hydrogenated 1,4-diazines) |
| | 252.13 | Additional hetero ring attached directly or indirectly to the piperazine ring by nonionic bonding |
| | 252.14 | The additional hetero ring is a 1,3 diazine ring |
| | 252.15 | Spiro ring system containing |
| | 252.16 | Polycyclo ring system having the additional 1,3-diazine ring as one of the cyclos |
| | 252.18 | Additional six-membered hetero ring consisting of five ring carbons and one ring nitrogen attached directly or indirectly to the 1,3-diazine by nonionic bonding |
| | 252.19 | Five-membered nitrogen hetero ring attached directly or indirectly to the 1,3-diazine ring by nonionic bonding |
| | 252.2 | Oxygen hetero ring attached directly or indirectly to the 1,3-diazine ring by nonionic bonding |
| | 253.01 | The additional hetero ring is six-membered consisting of one nitrogen and five carbon atoms |
| | 253.02 | Polycyclo ring system having the additional six-membered nitrogen hetero ring as one of the cyclos |
| | 253.03 |  Tricyclo ring system having the additional six-membered nitrogen hetero ring as one of the cyclos |
| | 253.04 | Bicyclo ring having the additional six-membered nitrogen hetero ring as one of the cyclos |
| | 253.09 | Five-membered nitrogen hetero ring attached directly or indirectly to the piperazine ring by nonionic bonding |
| | 253.11 | Chalcogen hetero ring attached directly or indirectly to the piperazine ring by nonionic bonding |
| | 253.12 | Chalcogen bonded directly to ring carbon of the additional six-membered nitrogen containing hetero ring |
| | 253.13 | Having -C(=X)-, wherein X is chalcogen, bonded directly to the additional six-membered nitrogen hetero ring |
| | 254.01 | The additional hetero ring is five-membered having ring nitrogen |
| | 254.02 | The additional five-membered hetero ring also has chalcogen as a ring member |
| | 254.03 | The additional five-membered hetero ring consists of two ring carbons, two ring nitrogens, and one ring chalcogen (e.g., oxadiazolyl, thiadiazolyl, etc.) |
| | 254.04 | The additional five-membered hetero ring consists of three ring carbons, and of nitrogen and chalcogen in adjacent ring positions (e.g., isoxazolyl, isothiazolyl, etc.) |
| | 254.05 | Plural nitrogens in the additional five-membered hetero ring |
| | 254.06 | Polycyclo ring system having the plural nitrogen containing additional five-membered hetero ring as one of the cyclos |
| | 254.07 | Chalcogen hetero ring attached directly or indirectly to the piperazine ring by nonionic bonding |
| | 254.08 | Polycyclo ring system having the additional five-membered nitrogen hetero ring as one of the cyclos |
| | 254.1 | Ring oxygen in the additional hetero ring |
| | 255.01 | Nitrogen or -C(=X)-, wherein X is chalcogen, bonded directly to the piperazine ring |
| | 255.02 | Chalcogen bonded directly to a piperazine ring carbon |
| | 255.03 | Carbocyclic ring bonded directly to the piperazine ring |
| | 255.04 | Plural carbocyclic rings bonded directly to the same acyclic carbon atom which is attached directly or indirectly to the piperazine ring by nonionic bonding |
| | 255.05 | Additional hetero ring attached directly or indirectly to the 1,4-diazine ring by nonionic bonding |
| | 255.06 | Nitrogen or -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the 1,4-diazine ring |
| | 256 | 1,3-diazines (e.g., pyrimidines, etc.) |
| | 257 | Polycyclo ring system having 1,3-diazine as one of the cyclos |
| | 258.1 | Bicyclo ring system having the 1,3-diazine as one of the cyclos |
| | 259.1 | A ring nitrogen is shared by the two cyclos of the bicyclo ring system (e.g., pyrrolo [1,2-a]pyrimidine, imidazo[1,2-a]pyrimidine, etc.) |
| | 259.2 | Ring chalcogen in the bicyclo ring system |
| | 259.3 | The shared ring nitrogen is bonded directly to a ring nitrogen of the second ring of the bicyclo ring system (e.g., pyrazolo[1,5-a]pyrimidine, etc.) |
| | 259.31 | The second ring of the bicyclo ring system is a five-membered hetero ring including three ring nitrogens (e.g., triazolo[1,5-a]pyrimidine, etc.) |
| | 259.4 | The second ring of the bicyclo ring system is six-membered, consisting of five ring carbons and the shared ring nitrogen (e.g., pyrido[1,2-a]pyrimidine, etc.) |
| | 259.41 | Additional hetero ring is attached directly or indirectly to the bicyclo ring system by nonionic bonding |
| | 259.5 | Chalcogen bonded directly to a ring carbon of the 1,3-diazine ring |
| | 260.1 | Ring chalcogen in the bicyclo ring system |
| | 261.1 | Exactly five ring nitrogens in the bicyclo ring system (e.g., triazolo[4,5-d]pyrimidine, etc.) |
| | 262.1 | Exactly four ring nitrogens in the bicyclo ring system |
| | 263.1 | Purine (including hydrogenated) |
| | 263.2 | Additional hetero ring attached directly or indirectly to the purine ring system by nonionic bonding |
| | 263.21 |  The additional hetero ring is a 1,3-diazine ring (including hydrogenated) |
| | 263.22 | The additional hetero ring is six-membered consisting of one nitrogen and five carbons |
| | 263.23 | The additional hetero ring consists of carbon and chalcogen as the only ring members |
| | 263.3 | Chalcogen bonded directly to a ring carbon of the purine ring system |
| | 263.31 | With perservative, stabilizer, or an additional active ingredient |
| | 263.32 |  Nitrogen containing hetero ring in the perservative, stabilizer, or additional active ingredient |
| | 263.33 | Chalcogen bonded directly to the 2-,6-, and 8-positions of the purine ring system |
| | 263.34 | Chalcogen bonded directly to the 2-and 6- positions of the purine ring system (e.g., theophylline, etc.) |
| | 263.35 | Nitrogen attached indirectly to the purine ring system by acyclic nonionic bonding |
| | 263.36 | Chalcogen attached indirectly to the purine ring system by acyclic nonionic bonding |
| | 263.37 | Nitrogen bonded directly to a ring carbon of the purine ring system (e.g., guanine, etc.) |
| | 263.4 | Nitrogen bonded directly to ring carbon of the purine ring system (e.g., adenine, etc.) |
| | 264.1 | The other cyclo in the bicyclo ring system is a pyridine ring (including hydrogenated) (e.g., pyrido[2,3-d]pyrimidine, etc.) |
| | 265.1 | The other cyclo in the bicyclo ring system is a pyrrole ring (including hydrogenated) (e.g., pyrrolo[3,2-d]pyrimidine, etc.) |
| | 266.1 | Quinazoline (including hydrogenated)(i.e., the second cyclo in the bicyclo ring system is an ortho-fused six-membered carbocycle) |
| | 266.2 | Additional hetero ring attached directly or indirectly to the quinazoline ring system by nonionic bonding |
| | 266.21 | The additional hetero ring is six-membered consisting of one nitrogen and five carbons |
| | 266.23 | The additional hetero ring is five-membered consisting of carbon and plural nitrogens as the only ring members |
| | 266.24 | The additional hetero ring consists of carbon and chalcogen as the only ring members |
| | 266.3 | Chalcogen bonded directly to a ring carbon of the 1,3-diazine ring of the quinazoline ring system |
| | 266.4 | Nitrogen bonded directly to ring carbon of the 1,3-diazine ring of the quinazoline ring system |
| | 267 | Tricyclo ring system having 1,3-diazine as one of the cyclos |
| | 269 | Pyrimidines with chalcogen bonded directly to a ring carbon of said pyrimidine moiety |
| | 270 | Barbituric acid or derivative (including thioanalogs) |
| | 272 | Nitrogen bonded directly to the 1,3-diazine at 2-position |
| | 274 | Chalcogen bonded directly to pyrimidine at 2-position |
| | 275 | Nitrogen bonded directly to the 1,3-diazine at 2-position by a single bond |
| | 276 | Thiamines (e.g., vitamin B1, etc.) |
| | 277 | Hetero ring is six-membered consisting of one nitrogen and five carbon atoms |
| | 278 | Spiro ring system |
| | 279 | Polycyclo ring system having the six-membered hetero ring as one of the cyclos |
| | 280 | Pentacyclo ring system having the six-membered hetero ring as one of the cyclos |
| | 281 | Two of the cyclos share at least three ring members (i.e., bridged) |
| | 282 | One of the five cyclos is five-membered and includes ring chalcogen (e.g., codeine, morphine, etc.) |
| | 283 | Ring nitrogen in the pentacyclo ring system is shared by five-membered cyclo and six-membered cyclo (e.g., vincamine, etc.) |
| | 284 | Tetracyclo ring system having the six-membered hetero ring as one of the cyclos |
| | 285 | Plural hetero atoms in the tetracyclo ring system (e.g., acronycines, etc.) |
| | 286 | Two of the cyclos share at least three ring members (i.e., bridged) |
| | 287 | Three or more hetero atoms in the tetracyclo ring system |
| | 288 | Ring carbon is shared by three of the cyclos |
| | 289 | Two of the cyclos share at least three ring members (i.e., bridged) (e.g., morphinans, etc.) |
| | 290 | Tricyclo ring system having the six-membered hetero ring as one of the cyclos |
| | 291 | Plural hetero atoms in the tricyclo ring system |
| | 294 | Ring nitrogen is shared by two of the cyclos |
| | 295 | Two of the cyclos share at least three ring carbons (i.e., bridged) (e.g., benzomorphans, etc.) |
| | 296 | Ring carbons shared by each of the three cyclos (e.g., 1,8-naphthalimides, etc.) |
| | 297 | Acridines (including hydrogenated) |
| | 298 | Phenanthridines (including hydrogenated) |
| | 299 | Bicyclo ring system having the six-membered hetero ring as one of the cyclos |
| | 300 | Plural hetero atoms in the bicyclo ring system |
| | 301 | Ring sulfur in the bicyclo ring system |
| | 302 | Ring oxygen in the bicyclo ring system |
| | 303 | Exactly three ring nitrogens in the bicyclo ring system |
| | 304 | Tropanes (including nor or dehydro form) |
| | 305 | Quinuclidines (including unsaturation) |
| | 306 | Quinolizines (including hydrogenated) |
| | 307 | Isoquinolines (including hydrogenated) |
| | 308 | Plural isoquinoline ring systems attached directly or indirectly to each other by nonionic bonding |
| | 309 | Chalcogen attached directly to the six-membered hetero ring by nonionic bonding |
| | 310 | Nitrogen, other than as nitro or nitroso, attached directly to the isoquinoline ring system by nonionic bonding |
| | 311 | Quinolines (including hydrogenated) |
| | 312 | Chalcogen attached directly to the six-membered hetero ring by nonionic bonding |
| | 313 | Nitrogen, other than as nitro or nitroso, attached directly to the six membered hetero ring by nonionic bonding |
| | 314 | Additional hetero ring attached directly or indirectly to the quinoline ring system by nonionic bonding |
| | 315 | Piperidines |
| | 316 | Plural piperidine rings |
| | 317 | Additional ring containing |
| | 318 | The additional ring is a six-membered hetero ring consisting of one nitrogen and five carbon atoms |
| | 319 | The additional ring is one of the cyclos in a polycyclo ring system |
| | 320 | Hetero ring in the polycyclo ring system |
| | 321 | Plural hetero atoms in the polycyclo ring system |
| | 323 | Ring nitrogen in the polycyclo ring system |
| | 324 | Ring sulfur in the polycyclo ring system |
| | 325 | Polycyclo ring system is tricyclo-carbocyclic |
| | 326 | The additional ring is a hetero ring |
| | 327 | Chalcogen bonded directly to ring carbon of the piperidine ring |
| | 329 | Nitrogen attached directly to the piperidine ring by nonionic bonding |
| | 330 | C=X bonded directly to the piperidine ring (X is chalcogen) |
| | 331 | Nitrogen attached indirectly to the piperidine ring by nonionic bonding |
| | 332 | Plural six-membered hetero rings consisting of one nitrogen and five carbon atoms |
| | 333 | Additional hetero ring other than the six-membered hetero rings |
| | 334 | The six-membered hetero rings are bonded directly to each other |
| | 335 | Chalcogen bonded directly to a ring carbon of the six-membered hetero ring |
| | 336 | Additional hetero ring containing |
