Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamideÂis an impurity ofÂAfatinib (A355303),Âan aminocrotonylamino-substituted quinazoline derivative used for treating cancer and diseases of the respiratory tract, lungs, gastrointestinal tract, bile duct, and gallbladder.