英文别名Fosaprepitant Impurity 14; Fosaprepitant Dibenzyl Ester; Dibenzyl (3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-4-ethyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate; Fosaprepitant Impurity R; Phosphonic acid, P-[3-[[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-2,5-dihydro-5-oxo-1H-1,2,4-triazol-1-yl]-, bis(phenylmethyl) ester; Fosaprepitant Impurity Q; Fosaprepitant Dimeglumine Dibenzylester Impurity; Dibenzyl Fosaprepitant