英文别名1-[4-(3-chloro-4-fluoroanilino)-7-[(3S)-oxolan-3-yl]oxyquinazolin-6-yl]-5-hydroxypyrrolidin-2-one; Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib; 1-[4-[(3-Chloro-4-fluorophenyl)amino]-7-[[(3S)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-5-hydroxy-2-pyrrolidinone; Afatinib Impurity L; Afatinib Impurity 23; 2-Pyrrolidinone, 1-[4-[(3-chloro-4-fluorophenyl)amino]-7-[[(3S)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-5-hydroxy-; Afatinib impurity 11; RMA-876 
