CRYSTALS INCLUDING A MALIC ACID SALT OF N-/2-(DIETHYLAMINO) ETHYL/-5-/(5-FLUORO-2- OXO-3H-INDOLE-3-YLIDENE)METHYL/-2,4- DIMETHYL-1H-PYRROLE-3- CARBOXAMIDE,PROCESSES FOR ITS PREPARATION AND COMPOSITIONS THEREOF

摘要

The present invention provides crystals, and compositions thereof, wherein the crystals include a malic acid salt of N-[2- (diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide. Methods of preparing such crystals are also disclosed.