2-Butenamide, N-(4-((3-chloro-4-fluorophenyl)amino)-7-(((3S)-tetrahydro-3-furanyl)oxy)-6-quinazolinyl)-4-(dimethylamino)-, (2E)-
(2E)-N-(4-(3-Chloro-4-fluoroanilino)-7-(((3S)-oxolan-3-yl)oxy)quinoxazolin-6-yl)-4-(dimethylamino)but-2-enamide