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

Boc-(τ-N-methyl)His amide of (3S,4S)-1-<<(3-methylbutyl)carbonyl>amino>-3-hydroxy-4-amino-5-cyclohexylpentane

(3S,4S)-1-<<<(dimethylamino)methyl>carbonyl>amino>-3-hydroxy-4-<(tert-butoxycarbonyl)amino>-5-cyclohexylpentane

2-((2R,3S)-3-Amino-4-cyclohexyl-2-hydroxy-butane-1-sulfonyl)-N-(2-morpholin-4-yl-ethyl)-acetamide

(2R,3S)-3-Amino-4-cyclohexyl-1-[1-(2-pyridin-4-yl-ethyl)-1H-tetrazol-5-ylsulfanyl]-butan-2-ol