英文别名Aprepitant Open-Ring Methyl Ester Impurity; 2-[2-[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]-1-iminoethyl]hydrazinecarboxylic acid methyl ester; Aprepitant Impurity 47; Methyl 2-(2-((2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)-1-iminoethyl)hydrazinecarboxylate; Hydrazinecarboxylic acid, 2-[2-[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]-1-iminoethyl]-, methyl ester; methyl 2-(1-amino-2-((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)ethylidene)hydrazine-1-carboxylate 
