(S)-2-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-4-trimethylsilanyl-but-3-ynyl]-oxirane

(3R,5R)-3,5,6-Tris-(tert-butyl-dimethyl-silanyloxy)-hex-1-yne

(3R,5R,9S)-3,9-Bis-(tert-butyl-dimethyl-silanyloxy)-10-{(4R,6S)-2,2-dimethyl-6-[(2R,4R)-2,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-pentyl]-[1,3]dioxan-4-yl}-1-trimethylsilanyl-deca-1,7-diyn-5-ol

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

(2S,6S,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}-6-hydroxy-10-trimethylsilanyl-dec-9-yn-4-one