Aprepitant - 5-[[(2R,3S)-2-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]-ethoxy]-3-(4-fluorophenyl)morpholin-4-yl]methyl]-1,2-dihydro-3H-1,2,4-triazol-3-one ;
Aprepitant EP Impurity A - 5-[[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]-ethoxy]-3-phenylmorpholin-4-yl]methyl]-1,2-dihydro-3H1,2,4-triazol-3-one ;