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

1-{5-[1-(tert-butyldimethylsilanyloxy)-pentyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-but-3-yn-1-ol

(4S,5S)-4-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-but-3-ynyl]-5-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-pentyl]-2,2-dimethyl-[1,3]dioxolane

5-(tert-butyldimethylsilanyloxy)-5-{5-[1-(tert-butyldimethylsilanyloxy)-pentyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-pent-2-ynoic acid methyl ester

5-(tert-butyldimethylsilanyloxy)-5-{5-[1-(tert-butyldimethylsilanyloxy)-pentyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-pent-2-enoic acid methyl ester