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(1R,4aS,4bR,9R,10aS)-9-<(tert-Butyldimethylsilyl)oxy>-1,4,4a,4b,5,6,7,9,10,10a-decahydro-1,4a-dimethylphenanthren-7-one
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(1S,2S,4aS,4bR,9R,10aS)-1,2,3,4,4a,4b,5,6,7,9,10,10a-Dodecahydro-9-hydroxy-2-(methanesulfonyl)-1,4a-dimethylphenanthren-7-one
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(1R,4aS,4bR,8aS,9R,10aS)-8aβ-<(Benzyloxy)methyl>-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-9α-hydroxy-1α,4aβ-dimethylphenanthren-7-one
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(1S,2S,4aS,10aS)-1,2,3,4,4a,5,8,9,10,10a-Decahydro-2-(methanesulfonyl)-7-methoxy-1,4a-dimethylphenanthrene
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(4R,5S,7R,8R,9R,10S,13R,14R,16S)-13,20-Epoxy-16-ethoxy-21-nitrilopicrasa-2,11-diene