(4S,7R)-8-(tert-butyldimethylsilanyloxy)-7-methyl-6-methylene-4-(triethylsilanyloxy)-1-(triisopropylsilanyl)oct-1-yne

(6S,9R)-1-{(4R,6S)-6-[2-(p-methoxybenzyloxy)ethyl]-2,2-dimethyl[1,3]dioxan-4-yl}-9-methyl-8-methylene-6,10-bis(triethylsilanyloxy)dec-3-yn-2-ol