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(1S,4aR,4bR,7S,9aS,10S,10aR)-2-acetyl-4a,7-dihydroxy-10-(methoxycarbonyl)-1-methyl-8-methylene-4,4a,4b,5,6,7,8,9,10,10a-decahydro-1H-7,9a-methanobenzo[a]azulene-1-carboxylic acid
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dimethyl (1S,4aR,4bR,7S,9aS,10S,10aR)-2-acetyl-4a,7-dihydroxy-1-methyl-8-methylene-4,4a,4b,5,6,7,8,9,10,10a-decahydro-1H-7,9a-methanobenzo[a]azulene-1,10-dicarboxylate
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