(R)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((R)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide

Pharmaceutical intermediate for afatinib impurities

N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-3,4-bis(dimethylamino)butanamide

Pharmaceutical reference impurity standard

(S)-4-Methyloxazolidine-2,5-dione

pharmaceutical intermediate

1-(4-chlorophenyl)-3-oxoisoindoline

Pharmaceutical intermediate synthesis

4-(4-chlorophenyl)-1H-2,3-benzoxazin-1-one

Pharmaceutical intermediate

3-(trifluoromethyl)pyridin-2-ol

pharmaceutical intermediate