methyl (2S)-2-tert-butoxycarbonylamino-4-pentenoate
<3(S),4(S)>-2,4,5-trideoxy-4-<<2-<<<<(1,1-dimethylethoxy)carbonyl>amino>acetyl>amino>-3-methyl-1-oxobutyl>amino>-2,2-difluoro-5-<4-(2-methoxy-2-oxoethoxy)phenyl>-N-(phenylmethyl)-L-glycero-pentonamide
<3(S),4(S)>-2,4,5-trideoxy-4-<<2-<<<<(1,1-dimethylethoxy)carbonyl>amino>acetyl>amino>-3-methyl-1-oxobutyl>amino>-2,2-difluoro-5-<4-<2-oxo-2-(pentafluorophenoxy)ethoxy>phenyl>-N-(phenylmethyl)-L-glycero-pentonamide
(2RS,3R)-3-[(tert-butoxycarbonyl)amino]-4-cyclohexyl-2-hydroxybutanoic Acid
3-(methoxycarbonylmethyl)piperazine-1-carboxylic acid tert-butyl ester