2-((1S,2R,4aR,8aR)-1,2,4a-trimethyl-5-methylenedecahydronaphthalen-1-yl)ethanol

2-((4aR,5R,8aR)-5,8a-dimethyl-6-methyleneoctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-5-yl)ethan-1-ol