5α-(tert-butyldimethylsiloxy)-3-hydroxy-8,14-dimethyl-3,5-seco-A,18-dinor-8α,9β,10α,13α,14β-androstan-15-one

3-{(1R,4aR,5S,6S,8aR)-5-[(R)-2-hydroxy-4-methylpent-3-enyl]-5,8a-dimethyl-2-methylene-6-(triethylsiloxy)decahydronaphthalen-1-yl}methyl-2-methoxy-5,6-dimethyl-4H-pyran-4-one

3-{(1R,4aR,5S,6S,8aR)-5-[(R)-2-hydroxy-4-methylpent-3-enyl]-5,8a-dimethyl-2-methylene-6-(hydroxy)decahydronaphthalen-1-yl}methyl-2-methoxy-5,6-dimethyl-4H-pyran-4-one