TME8PY9FMY;UNII-TME8PY9FMY;Aprepitant impurity B [EP];2348441-62-1;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-;5-(((2R,3S)-2-((1R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4'-fluorobiphenyl-3-yl)morpholin-4-yl)methyl)-1,2-dihydro-3H-1,2,4-triazol-3-one;APREPITANT IMPURITY B [EP IMPURITY]