(Z)-2-[(3R,4R,5R)-3,5-bis(tert-butyldimethylsilyloxy)-4-(3-tert-butyldimethylsilyloxypropoxy)-2-methylenecyclohexylidene]ethanol

(1R,3aR,7aR)-7a-methyl-1-((R)-6-methyl-6-((triethylsilyl)oxy)heptan-2-yl)hexahydro-1H-inden-4(2H)-one