Crystals including a malic acid salt of N-Ä2-(diethylamino) ethylÜ-5-Ä(5-fluoro-2-oxo-3H-indole-3-ylidene)methylÜ-2,4-dimethyl-1H-pyrrole-3-carboxamide, process for its preparation and compositions t hereof.

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.