纯度99.9%以上,单杂小于0.1%，类白色固体中文同义词：双马来酸盐阿法替尼;阿法替尼二马来酸盐;阿法替尼双马来酸盐英文同义词：BIBW2992 DiMaleate;BIBW2992-MA2;Afatinib (diMaleate);Afatinib (diMaleate), BIBW2992;2-ButenaMide, N-[4-[(3-chloro-4-fluorophenyl)aMino]-7-[[(3S)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4-(diMethylaMino)-, (2E)-, (2Z)-2-butenedioate (1:2);(2E)-N-(4-[(3-chloro-4-fluorophenyl)aMino]-7-{[(3S);Afatinib double Maleate;Afatinib (BIBW2992) Dimaleate