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8-isopropyl-10-methoxymethoxy-5a,7a-dimethyl-3,4,5,5a,6,7,7a,8,9,10,10a,10b-dodecahydro-2H-1-oxa-benzo[cd]cyclopenta[h]azulene-3,9-diol
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acetic acid 3-acetoxy-8-isopropyl-10-methoxymethoxy-5a,7a-dimethyl-3,4,5,5a,6,7,7a,8,9,10,10a,10b-dodecahydro-2H-1-oxa-benzo[cd]cyclopenta[h]azulen-9-yl ester
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9-benzyloxy-8-isopropyl-10-methoxymethoxy-5a,7a-dimethyl-3,4,5,5a,6,7,7a,8,9,10,10a,10b-dodecahydro-2H-1-oxa-benzo[cd]cyclopenta[h]azulen-3-ol
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9-benzyloxy-3-(tert-butyl-diphenyl-silanyloxy)-8-isopropyl-5a,7a-dimethyl-3,4,5,5a,6,7,7a,8,9,10,10a,10b-dodecahydro-2H-1-oxa-benzo[cd]cyclopenta[h]azulen-10-ol