N1,N2-Bis(4-((3-chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)oxalamide

Pharmaceutical intermediate for Afatinib impurities

(S)-N1-(4-((3-CHLORO-4-FLUOROPHENYL)AMINO)-7-((TETRAHYDROFURAN-3-YL)OXY)QUINAZOLIN-6-YL)-N2,N2-DIMETHYLOXALAMIDE

pharmaceutical intermediate

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

pharmaceutical intermediate

1-(4-chlorophenyl)-3-oxoisoindoline

Pharmaceutical intermediate synthesis