3-bromo-2-methoxy-5,6-dimethyl-4H-pyran-4-one

(4aR,5S,6S,8aR)-5-allyl-5,8a-dimethyl-6-triethylsiloxy-3,4,4a,5,6,7,8,8a-octahydronaphthalene-2-carbaldehyde

((4aR,5S,6S,8aR)-5-allyl-5,8a-dimethyl-6-((triethylsilyl)oxy)-3,4,4a,5,6,7,8,8a-octahydronaphthalen-2-yl)methanol

((1R,4aR,5S,6S,8aS)-5-allyl-5,8a-dimethyl-2-methylene-6-((triethylsilyl)oxy)decahydronaphthalen-1-yl)methanol