2-(2-tert-Butoxycarbonylamino-acetylamino)-3-hydroxy-3-phenyl-propionic acid ethyl ester

({(R)-1-[(S)-3-Methyl-1-(N'-phenyl-hydrazinocarbonyl)-butylcarbamoyl]-2-phenyl-ethylcarbamoyl}-methyl)-carbamic acid tert-butyl ester

tBOC-Gly-ΔPhe-(S)-Leu-NHNHPh

Boc-Gly-DL-Phe(β-OH)-OH

tBOC-Gly-ΔPhe-(S)-Leu-NH2

TFA-Gly-ΔPhe-(S)-Leu-OMe

tBOC-Gly-ΔPhe-(S)-Leu-OMe

L-Leucinamide, N-[(1,1-dimethylethoxy)carbonyl]glycyl-L-phenylalanyl-

({(S)-1-[(S)-3-Methyl-1-(N'-phenyl-hydrazinocarbonyl)-butylcarbamoyl]-2-phenyl-ethylcarbamoyl}-methyl)-carbamic acid tert-butyl ester

(S)-2-[(Z)-2-(2-tert-Butoxycarbonylamino-acetylamino)-3-phenyl-acryloylamino]-4-methyl-pentanoic acid

Boc-Gly-D-Phe-Leu-NH2

(S)-2-[(R)-2-(2-tert-Butoxycarbonylamino-acetylamino)-3-phenyl-propionylamino]-4-methylsulfanyl-butyric acid methyl ester