(3S,4S)-3-((R)-2-tert-Butoxycarbonylamino-4-methyl-pentanoyloxy)-4-methyl-octanoic acid 4-nitro-benzyl ester

(3S,4S)-3-{(R)-2-[(S)-2-((S)-2-Amino-3-phenyl-propionylamino)-propionylamino]-4-methyl-pentanoyloxy}-4-methyl-octanoic acid

(R)-2-((S)-2-{(S)-2-[(3S,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-octanoylamino]-3-phenyl-propionylamino}-propionylamino)-4-methyl-pentanoic acid benzyl ester

(2S,3R,4S,5S)-7-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-2-vinyl-heptane-1,3-diol

{(1S,2S)-1-(2-Benzyloxy-ethyl)-2-[(4R,5S)-2-(4-methoxy-phenyl)-5-vinyl-[1,3]dioxan-4-yl]-propoxy}-tert-butyl-dimethyl-silane