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(1R,2S,3aS,3bR,5aS,7R,8aS,8bS,10aS)-1-Ethynyl-2,8a,10a-trimethyl-hexadecahydro-dicyclopenta[a,f]naphthalene-1,7-diol
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(1S,2S,3aS,3bR,5aS,7R,8aS,8bS,10aS)-7-Ethynyl-2,8a,10a-trimethyl-hexadecahydro-dicyclopenta[a,f]naphthalene-1,7-diol
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(1S,2R,3aS,3bR,5aS,7R,8aS,8bS,10aS)-7-Ethynyl-2,8a,10a-trimethyl-hexadecahydro-dicyclopenta[a,f]naphthalene-1,7-diol
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