| US 7,576,202 B2 | ||
| Tritium-traced saxitoxin dihydrochloride and method for the production thereof | ||
| Nikolay Fedorovich Myasoedov, Moscow (Russian Federation); Valery Pavlovich Shevchenko, Moscow (Russian Federation); Igor Yulianovich Nagaev, Moskovskaya obl. (Russian Federation); and Alexander Susan, Leawood, Kans. (US) | ||
| Assigned to Institut Molekulyarnoi Genetiki Rossiiskoi Akademh Nauk (IMG RAN), (Russian Federation) | ||
| Appl. No. 11/722,926 PCT Filed Dec. 27, 2005, PCT No. PCT/RU2005/000672 § 371(c)(1), (2), (4) Date Nov. 01, 2007, PCT Pub. No. WO2006/071138, PCT Pub. Date Jul. 06, 2006. |
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| Claims priority of application No. 2004138131 (RU), filed on Dec. 27, 2004. | ||
| Prior Publication US 2008/0091013 A1, Apr. 17, 2008 | ||
| Int. Cl. C07D 491/00 (2006.01) | ||
| U.S. Cl. 544—251 | 17 Claims |
1. A tritium-traced saxitoxin dihydrochloride of formula (I)
 |