carbonic acid tert-butyl ester 5-(tert-butyl-dimethyl-silanyloxy)-1-[2-(tert-butyl-dimethyl-silanyloxy)-4-trimethylsilanyl-but-3-ynyl]-6-{2,2-dimethyl-6-[2,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-pentyl]-[1,3]dioxan-4-yl}-hex-3-ynyl ester

(2R,4S,6R,8R)-2,8-Bis-(tert-butyl-dimethyl-silanyloxy)-1-{(4R,6S)-2,2-dimethyl-6-[(2R,4R)-2,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-pentyl]-[1,3]dioxan-4-yl}-10-trimethylsilanyl-dec-9-yne-4,6-diol

(3R)-3-(tert-butyldimethylsiloxy)-5-iodo-1-(trimethylsilyl)pent-1-yne

(3R,7R,8S)-7,8-epoxy-9-(p-methoxybenzyloxy)-6-methylene-1-(trimethylsilyl)non-1-yn-3-ol

(3R,7R,8S)-3-(tert-butyldimethylsiloxy)-7,8-epoxy-9-(p-methoxybenzyloxy)-6-methylene-1-(trimethylsilyl)non-1-yne