(4S,5R,6R)-4-Azido-9-benzyloxy-6-(tert-butyl-dimethyl-silanyloxy)-5-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-1-methyl-ethyl]-nonanal

(4S,5R,6R)-4-Azido-9-benzyloxy-6-(tert-butyl-dimethyl-silanyloxy)-5-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-1-methyl-ethyl]-nonanoic acid

(4S,5R,6R)-4-Azido-9-benzyloxy-6-(tert-butyl-dimethyl-silanyloxy)-5-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-1-methyl-ethyl]-nonanoic acid methyl ester

(S)-4-Benzyl-3-{(2S,3R)-6-benzyloxy-2-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-3-hydroxy-hexanoyl}-oxazolidin-2-one

Methanesulfonic acid (4R,5R,6S)-4,7-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5-((S)-5-oxo-pyrrolidin-2-yl)-heptyl ester