(4S,5S)-4-((Z)-(R)-1-Benzyloxy-7-triisopropylsilanyl-hept-4-ene-2,6-diynyl)-5-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-[1,3]dioxolane

(3aS,6R,7S,7aR)-7-acetoxy-5-(4'-methoxybenzenesulfonyl)-2,2-dimethyl-hexahydro-[1,3]dioxolo[4,5-c]pyridine-6-carboxylic acid benzyloxyamide

(4R,5S)-5-((Z)-(R)-1-Benzyloxy-7-iodo-hept-4-ene-2,6-diynyl)-2,2-dimethyl-[1,3]dioxolane-4-carbaldehyde

benzoic acid (1S,3R,4S)-4-(tert-butyldimethylsilanyloxy)-4-[(4R,5S)-5-((S)-1-methoxybut-3-enyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-1,3-dimethyl-2-oxobutyl ester

(Z)-(S)-3-{(4R,5R)-5-[(R)-(tert-Butyl-dimethyl-silanyloxy)-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-1-[(4S,5S)-5-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-prop-2-en-1-ol