Fosaprepitant Enantiomer

Chemical Name: (3-(((2S,3R)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid

Synonym: (4S)-4-Phenyl-1-[(R)-[(S)-1-hydroxy-2-methylpropoxy](4phenylbutyl)phosphinyl]acetyl--prolinepropionate (ester), sodium salt