Triethyl-{(1R,2S)-1-[2-(4-methoxy-benzyloxy)-ethyl]-2-methyl-but-3-ynyloxy}-silane

Succinic acid allyl ester (2S,3R,6S,8R,9S)-2-((1E,3E)-4-allyloxycarbonyl-3-methyl-buta-1,3-dienyl)-3-butyl-9-methyl-8-(2-oxo-ethyl)-1,7-dioxa-spiro[5.5]undec-3-yl ester

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,6S,8R,9S)-2-((1E,3E)-4-allyloxycarbonyl-3-methyl-buta-1,3-dienyl)-3-butyl-8-((E)-4-hydroxy-3-methyl-but-2-enyl)-9-methyl-1,7-dioxa-spiro[5.5]undec-3-yl ester

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