(1R,2S,4S)-1-((N,N-dicyclohexylsulfamoyl)methyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-yl (S)-2-azido-3-phenylpropanoate

benzylmethylidenediphenylmethylamine

DL-Phe-Na

N-acetyl dehydrophenylalanyl-(S)-phenylalanine

Ac-ΔPhe-(S)-Leu-OH