| abstract |
The present invention is directed to novel crystalline forms of 4-(2-fIuorophenyl)-6-methyl-2-(piperazin-l-yl)thieno[2,3-d]pyτimidine salts, including 4-(2- fluorophenyl)-6-methyl-2-(piperazin- 1 -yl)thieno[2,3-d]pyrimidine hydrochloride crystalline forms. The present invention is also directed to compositions including such crystalline forms and methods for making and using such crystalline forms, e.g., in the treatment of gastrointestinal and/or genitourinary disorders. |