| 摘要 |
The present invention relates to new crystalline forms of apixaban of formula (I), chemically 1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetrahydro-1H- pyrazolo[3,4-c]pyridine-3-carboxamide of formula I, and a method of their preparation. The concerned forms are AP3, AP4 and AP5. |
