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(2aR,2a1R,3R,5aR,8aR)-3-methoxy-2a1,6,6-trimethyl-2a,2a1,3,5a,6,7,8,8a-octahydro-2H-naphtho[1,8-bc]furan-2-one
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(2aS,2a1S,3R,4R,5R,5aS,8aS)-4,5-dihydroxy-3-methoxy-2a1,6,6-trimethyldecahydro-2H-naphtho[1,8-bc]furan-2-one
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(3aR,5aS,6S,9aS,9bS)-5-(hydroxymethyl)-2,2,4,5a,9,9-hexamethyl-3a,5a,6,7,8,9,9a,9b-octahydronaphtho[1,2-d][1,3]dioxol-6-ol
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(2aR,2a1S,3S,4R,5S,5aS,8aS)-4,5-dihydroxy-2a1,6,6-trimethyl-3-((methylthio)methyl)decahydro-2H-naphtho[1,8-bc]furan-2-one
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