- (S,E)-N-(4-((3,4-Difluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide(Afatinib Impurity),97%, 50mg
- (R)-N4-(3-Chloro-4-fluorophenyl)-7-((tetrahydrofuran-3-yl)oxy)quinazoline-4,6-diamine(Afatinib Impurity),98%, 50mg