(4S,5S)-5-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxolane-4-carbaldehyde

2-[(2S,5R,6R,8R,10R)-10-(tert-Butyl-dimethyl-silanyloxymethyl)-5-methyl-5-triethylsilanyloxy-1,7,9-trioxa-dispiro[5.1.5.2]pentadec-2-yl]-ethanol

2,2-Dimethyl-propionic acid (2R,3R)-3-(tert-butyl-dimethyl-silanyloxy)-3-{(4S,5S)-5-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-2-methyl-propyl ester

2,2-Dimethyl-propionic acid (2R,3R)-3-(tert-butyl-dimethyl-silanyloxy)-3-[(4S,5S)-5-((E)-(R)-4,5-diacetoxy-3-methylene-pent-1-enyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-2-methyl-propyl ester

(2S,5R,6R,8R,10R)-10-[1,3]Dithian-2-ylmethyl-5-methyl-2-(2-methylene-6-trimethylsilanyloxy-hexyl)-5-triethylsilanyloxy-1,7,9-trioxa-dispiro[5.1.5.2]pentadecane