Standards; Pharmaceutical/API Drug Impurities/Metabolites;
應(yīng)用:
(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-ethoxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamide is 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.
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