1-((4aS,6S,7S,8aR)-7-Allyloxy-2,2,4a-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-ethanone

(4aS,6R,7S,8aR)-7-Allyloxy-6-isopropenyl-2,2,4a-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxine