FSP51: Fosaprepitant Impurity A

5-[[2(R)-[1(S)-[3,5-Bis(Trifluoromethyl)phenyl]ethoxy]-3(S)-(4-fluorophenyl)4-morpholinyl]methyl]-1,2-dihydro-3H-1,2,4-triazol-3-one ;

CAS # 170902-81-5 ;

C23H21F7N4O3 ;
Mol. Wt.: 534.43 ;