英文别名:
2-Butenoicacid,4-(dimethylamino)-,(E)-(9CI);2-Butenoicacid,4-(dimethylamino);4-DiMethylaMino-but-2-enoic acid;Trans-4-diMethylaMinocrotonic acid;(E)-4-(Dimethylamino)-2-butenoic acid;2-Butenoicacid,4-(dimethylamino)-,(E)-;2-Butenoic acid, 4-(dimethylamino)-, (2E)-;Afatinib Impurity 85