| US 7,541,363 B2 | ||
| Microcrystal | ||
| Kazutoshi Kuroda, Ichikawa (Japan); Noboru Aoki, Numazu (Japan); Toshiro Ochiai, Sunto-gun (Japan); Akihiro Uchida, Sunto-gun (Japan); Yasuhiro Ishikawa, Sunto-gun (Japan); Makoto Kigoshi, Sunto-gun (Japan); Eiji Hayakawa, Sunto-gun (Japan); and Kazuki Asanome, Sunto-gun (Japan) | ||
| Assigned to Kyowa Hakko Kirin Co., Ltd., Tokyo (Japan) | ||
| Appl. No. 10/554,511 PCT Filed May 07, 2004, PCT No. PCT/JP2004/006495 § 371(c)(1), (2), (4) Date Oct. 26, 2005, PCT Pub. No. WO2004/099207, PCT Pub. Date Nov. 18, 2004. |
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| Claims priority of application No. 2003-131417 (JP), filed on May 09, 2003. | ||
| Prior Publication US 2006/0205745 A1, Sep. 14, 2006 | ||
| Int. Cl. C07D 473/06 (2006.01); A61K 31/522 (2006.01) | ||
| U.S. Cl. 514—263.34 [544/267] | 5 Claims |
1. Microcrystals of (E)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione represented by the following
formula
 |