(4aS,7R,8aS,9aR,10aR)-2,2,4a-Trimethyl-7-phenyl-hexahydro-1,3,6,8,10-pentaoxa-anthracene

(4aS,6R,7S,8aR)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-2,2,4a-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol

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