英文别名Aprepitant EP Impurity B; Arepitam Impurity VIII; Arepitam Impurity B; Aprepitant impurity 08; 5-(((2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4'-fluoro-[1,1'-biphenyl]-3-yl)morpholino)methyl)-2,4-dihydro-3H-1,2,4-triazol-3-one; 3H-1,2,4-Triazol-3-one, 5-[[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4'-fluoro[1,1'-biphenyl]-3-yl)-4-morpholinyl]methyl]-1,2-dihydro- 
