1,3-Diethynylbenzene1785-61-131 % similar (S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide439081-18-231 % similar Afatinib850140-72-631 % similar 1-Bromo-3-ethynylbenzene766-81-430 % similar N-(3-Chloro-4-fluorophenyl)-7-fluoro-6-nitroquinazolin-4-amine162012-67-130 % similar Dacomitinib1110813-31-430 % similar