Fosaprepitant

Chemical Name: (3-(((2R,3S)-2-((R)-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: (2S,4S)-4-cyclohexyl-1-[[(2S,4S)-4-cyclohexyl-1-[[(R)-[(1S)-2-methyl-1-(1- oxopropoxy)propoxy](4phenylbutyl)phosphoryl]acetyl]pyrrolidin-2-yl]carbonyl]pyrrolidine-2-carboxylic acid

Smile: O=C1NC(CN(CCO2)[C@@H](C3=CC=C(F)C=C3)[C@H]2O[C@@H](C4=CC(C(F)(F)F)=CC(C(F)(F)F)=C4)C)=NN1[P](O)(O)=O