abstract |
The present invention belongs to the pharmaceutical field, and the compound 4-ethyl- N- (4-((3-ethynylphenyl) amino) -7-methoxyquinazolin-6-yl) piperazine-1-carboxamide Provided are succinate and its crystalline forms, solvent compounds and their crystalline forms, pharmaceutical compositions comprising the same, methods for making them, and uses thereof. |