| 摘要 |
The present invention relates to novel crystalline polymorphic forms of 3-(2-{4-[(4-fluorophenyl)carbonyl]piperidin-1-yl}ethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one. The present invention also includes the methods of making crystalline polymorphic forms thereof and the use thereof for preparing a pharmaceutical composition. |
