(1R,3aR,7aR)-1-((2R,5S,E)-5,6-dimethyl-6-((triethylsilyl)oxy)hept-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-one

(1R,3aR,7aR)-1-((2R,5S,E)-5,6-dimethyl-6-((triethylsilyl)oxy)hept-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-one