tert-Butyl-{(2S,3R,6R,8R,9S)-3-butyl-8-[2-(4-methoxy-benzyloxy)-ethyl]-9-methyl-3-methylsulfanylmethoxy-1,7-dioxa-spiro[5.5]undec-2-ylmethoxy}-diphenyl-silane

Succinic acid allyl ester (2S,3R,6R,8R,9S)-3-butyl-2-(tert-butyldiphenylsilanyloxymethyl)-8-[2-(4-methoxybenzyloxy)ethyl]-9-methyl-1,7-dioxaspiro[5.5]undec-3-yl ester