(3R,4S)-N-(tert-butoxycarbonyl)-4-amino-3-(tert-butyldimethylsilyloxy)-1-hydroxy-5-phenylpentane

(2S,3R)-3-[(3R,4S)-4-(tert-Butoxycarbonyl-methyl-amino)-3-(tert-butyl-dimethyl-silanyloxy)-5-phenyl-pentanoyloxy]-2-methyl-decanoic acid

(1R)-1-((1S)-2-{[(1S)-1-carboxy-2-methylpropyl]oxy}-1-methyl-2-oxoethyl)octyl 4-[(tert-butoxycarbonyl)(methyl)amino]-2,4,5-trideoxy-5-phenyl-L-erythro-pentonate

(1R)-1-[(1S)-2-({(1S)-1-[(benzyloxy)carbonyl]-2-methylpropyl}oxy)-1-methyl-2-oxoethyl]octyl 4-[(tert-butoxycarbonyl)(methyl)amino]-2,4,5-trideoxy-5-phenyl-L-erythro-pentonate