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(4aS,6aR,11aR,11bS)-7-ethyl-9,10-dimethoxy-4,4,6a,11b-tetramethyl-2,3,4,4a,5,6,6a,11,11a,11bdecahydro-1H-benzo[a]fluorene
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1-((4aS,6aR,11aR,11bS)-9,10-dimethoxy-4,4,6a,11b-tetramet-hyl-2,3,4,4a,5,6,6a,11,11a,11b-decahydro-1H-benzo[a]fluoren-7-yl)ethanone
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