Sunitinib Impurity 40 1H-Pyrrole-3-carboxamide, N-ethyl-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)methyl]-2,4-dimethyl- 5-(5-Fluoro-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ethylamide (Z)-N-Ethyl-5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxamide Sunitinib Impurity 1Q: What is Sunitinib Impurity 1 Q: What is the CAS Number of Sunitinib Impurity 1 (Z)-N-Ethyl-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)methyl]- 2,4-dimethyl-1H-pyrrole-3-carboxamide