abstract |
According to the present invention, crystals and their compositions are proposed, these crystals include the N- [2- (diethylamino) ethyl] -5 - [(5-fluoro-1,2-dihydro-2-oxo-3H-indole-3) malic acid salt. -ylidene) methyl] -2,4-dimethyl-1H-pyrrole-3-carboxamide. In addition, methods are described for producing such crystals. |