(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

1-[(2S,6S,8R,10S,13R)-10-(2-benzyloxy)ethyl-13-(tert-butyldimethylsilyloxy)-13-methyl-1,7,9-trioxadispiro[5.1.5.2]pentadec-2-yl]-2-propanone

1-[10-(2-benzyloxy)ethyl-13-(tert-butyldimethylsilyl)oxy-13-methyl-1,7,9-trioxadispiro[5.1.5.2]pentadec-2-yl]-5-(tert-butyldimethylsilyl)oxy-5-[5-(tert-butyldiphenylsilyloxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-4-methylpentan-2-one

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

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