(3S,4R,7S)-9-benzyloxy-3-(4-methoxybenzyl)oxy-4-methyl-7-triethylsilyloxy-1-{2-[4-(triethylsilyloxy)butyl]-1,3-dithian-2-yl}nonan-4-ol

(R)-4-benzyloxy-2-(triethysilyloxy)butanal

(S)-2,2-diethyl-5-(2-{2-[4-(tetrahydropyran-2-yloxy)butyl]-1,3-dithian-2-yl}ethyl)-1,3-dioxolane

2-[(3S,4R,7S)-9-benzyloxy-4-(tert-butyldimethylsilyl)oxy-3-(4-methoxybenzyl)oxy-4-methyl-7-(triethylsilyloxy)nonyl]-2-[4-(triethylsilyloxy)butyl]-1,3-dithiane

(Z)-(3S,7R)-9-Benzyloxy-3-(4-methoxy-benzyloxy)-7-triethylsilanyloxy-1-[2-(4-triethylsilanyloxy-butyl)-[1,3]dithian-2-yl]-non-5-en-4-one