((4aS,6R,7S,8aR)-7-Allyloxy-2,2,4a-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethoxy)-tert-butyl-dimethyl-silane

Trifluoro-methanesulfonic acid (4aS,6R,7S,8aR)-7-(tert-butyl-dimethyl-silanyloxy)-2,2,4a-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester