| abstract |
Crystalline polymorph forms of Gonadotropin Releasing Hormone receptor antagonists, including crystalline polymorphs of quinoxaline dihydrohalide dihydrates, in particular crystalline polymorphs of 6-({4-[2-(4-tert-butylphenyl)-lH-benzimidazol-4-yl]-piperazin-l- yl}methyl)-quinoxaline dihydrochloride dihydrate, methods of making the same, as well as pharmaceutical compositions, and dosage forms containing them are disclosed. |