2-(((2R)-3-((tert-butoxycarbonyl)amino)-4-cyclohexyl-2-hydroxypentyl)thio)ethyl pentanoate

(3S,4S)-1-amino-3-hydroxy-4-<(tert-butyloxycarbonyl)amino>-5-cyclohexylpentane

[(1S,2S)-1-Cyclohexylmethyl-2-hydroxy-4-(3-methyl-butylamino)-butyl]-carbamic acid tert-butyl ester

(2S,3S)-1-<<(3-methylbutyl)carbonyl>amino>-2-hydroxy-3-<(tert-butyloxycarbonyl)amino>-4-cyclohexylbutane

(3S,4S)-1-<<(3-methylbutyl)carbonyl>amino>-3-hydroxy-4-<(tert-butyloxycarbonyl)amino>-5-cyclohexylpentane