Fosaprepitant Impurity 3

Chemical Name: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (3-(((2R,3R)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-2,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate (2:1)

Smile: O[C@H]([C@H]([C@@H]([C@@H](CO)O)O)O)CNC.O=C1N=C(CN2[C@H](C3=CC=C(F)C=C3)[C@@H](O[C@@H](C4=CC(C(F)(F)F)=CC(C(F)(F)F)=C4)C)OCC2)NN1P(O)(O)=O