(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

(3aS,6S,7S,7aS)-6-benzyloxy-2,2-dimethyl-7-(tert-butyldimethylsilyl)oxy-tetrahydro-1,3-dioxolo[4,5-c]pyran

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

(4R)-4-benzyl-3-(4-benzyloxy-1-oxobutyl)-2-oxazolidinone

(S)-4-(2-{2-[2-(4-methoxyphenyl)-1,3-dioxolan-4-yl]ethyl}-1,3-dithian-2-yl)-1-butanol