rac-((1R,3S,3aR,4R,6aS)-4-(benzyloxy)-5,5-dimethylhexahydro-1H-spiro[pentalene-2,2'-[1,3]dioxolane]-1,3-diyl)bis(methylene) bis(2,2-dimethylpropanoate)

rac-((1R,3S,3aR,6S,6aS)-6-(benzyloxy)-5,5-dimethyl-1-((((trifluoromethyl)sulfonyl)oxy)methyl)hexahydro-1H-spiro[pentalene-2,2'-[1,3]dioxolan]-3-yl)methyl pivalate

(1R,3aR,6R,6aR)-(+)-6-(Benzoyloxy)-3,3a,4,5,6,6a-hexahydro-1,5,5-trimethyl-2(1H)-pentalenon