Boc-Phe-His amide of (3S,4S)-1-<(3-methylbutyl)(benzyloxycarbonyl)amino>-3-hydroxy-4-amino-5-cyclohexylpentane

Boc-Phe-His amide of (2S,3S)-1-<(3-methylbutyl)(benzyloxycarbonyl)amino>-2-hydroxy-3-amino-4-cyclohexylbutane

(2R,3S)-4-cyclohexyl-1-(isopropylsulfonyl)-2-hydroxybutane hydrochloride

[(S)-1-[(1S,2R)-1-Cyclohexylmethyl-2-hydroxy-3-(propane-2-sulfonyl)-propylcarbamoyl]-2-(1H-imidazol-4-yl)-ethyl]-carbamic acid tert-butyl ester