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(1R,4aS,4bR,8aR,10aS)-3,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-1-methoxycarbonyl-4b,8,8,10a-tetramethyl-trans-anti-trans-phenanthrene
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(1R,4aS,4bR,8aR,10aS)-1,2,3,4,4a,4b,5,6,7,8,8a,9,10,10a-tetradecahydro-4b,8,8,10a-tetramethyl-2-methylene-trans-anti-trans-phenanthrene-1-methanol
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(1S,2S,4aR,4bS,8aS,10aR)-1,2,3,4,4a,4b,5,6,7,8,8a,9,10,10a-tetradecahydro-1-formyl-4b,8,8,10a-tetra-methyl-2,2'-di-O-isopropylidene-trans-anti-trans-phenanthrene
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(1R,2S,4aR,4bS,8aS,10aR)-1,2,3,4,4a,4b,5,6,7,8,8a,9,10,10a-tetradecahydro-1-hydroxymethyl-4b,8,8,10a-tetra-methyl-2,2'-di-O-isopropylidene-trans-anti-trans-phenanthrene
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