英文别名Fosaprepitant Impurity 28; Aprepitant Impurity SM3FDY1-1; Aprepitant M2 Metabolite 3-Epimer; Morpholine, 2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-, (2R,3R)-; Aprepitant M2 metabolite (1R, 2R, 3R)-isomer; (2R,3R)-2-[(1R)-1-(3,5-bis-trifluoro-methylphenyl)ethoxy]-3-(4-fluorophenyl)morpholine; (2R,3R)-2-{(1R)-1-[(3,5-bis-trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl)morpholine