(2S,3R,5R,7S)-1-benzyloxy-7-(tert-butyldimethylsilanyloxy)-8-{(2R,6S)-6-[2-(tert-butyldimethylsilanyloxy)ethyl]tetrahydropyran-2-yl}-2-methyloctane-3,5-diol

(4R,5S)-5-tert-butyldimethylsilyloxymethyl-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde