Acetic acid (3aS,4aR,7aS,8R,8aS)-2,2-diethyl-8-hydroxy-6,6-dimethyl-tetrahydro-benzo[1,2-d;4,5-d']bis[1,3]dioxol-3a-ylmethyl ester

tert-Butyl-[(3aR,4R,4aS,7aR,8aR)-7a-(1-methoxy-1-methyl-ethyl)-2,2,6,6-tetramethyl-hexahydro-benzo[1,2-d;4,5-d']bis[1,3]dioxol-4-yloxy]-dimethyl-silane

(3aR,4aR,7aR,8aR)-7a-(Hydroxy-diphenyl-methyl)-2,2,6,6-tetramethyl-tetrahydro-benzo[1,2-d;4,5-d']bis[1,3]dioxol-4-one

2-[(3aR,4aR,7aR,8R,8aS)-8-(tert-Butyl-dimethyl-silanyloxy)-2,2,6,6-tetramethyl-tetrahydro-benzo[1,2-d;4,5-d']bis[1,3]dioxol-3a-yl]-propan-2-ol

(3aS,4R,4aS,7aR,8aR)-7a-(Hydroxy-diphenyl-methyl)-2,2,6,6-tetramethyl-hexahydro-benzo[1,2-d;4,5-d']bis[1,3]dioxol-4-ol