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rac-(3R,3aS,4S,5S,6aR,7S,9R,10S,10aS)-3-(benzyloxy)-6a,9-dihydroxy-4,5,10-trimethyl-8-methylenedodecahydro-4,7-methanocyclopenta[d]naphthalen-11-one
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rac-(3R,3aS,4S,5S,6aR,10R,10aS)-3-(benzyloxy)-6a-(methoxymethoxy)-4,5,8,10-tetramethyl-1,2,3,3a,4,5,6,6a,7,10-decahydro-4,7-methanocyclopenta[d]naphthalen-11-one
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rac-(3R,3aS,4S,5S,6aR,7S,9R,10S,10aS)-3-(benzyloxy)-6a-hydroxy-9-(methoxymethoxy)-4,5,10-trimethyl-8-methylenedodecahydro-4,7-methanocyclopenta[d]naphthalen-11-one
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rac-(3R,3aS,4S,5S,6aR,7R,7aS,8aR,9S,9aS)-3-(benzyloxy)-6a-hydroxy-4,5,7a,9-tetramethyldodecahydro-4,7-methanocyclopenta[4a,5]naphtho[2,3-b]oxiren-10-one
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