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(1R,2S,4S,5S,6R,7R,8R,9S,10S)-6,9-epoxy-4-[hydroxy(phenyl)methyl]-4,5-(O-isopropylidenedioxy)tetracyclo[6.2.1.02,7.02,10]undecan-3-one
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[(1R,2S,4S,5S,6R,7R,8R,9S,10S)-6,9-epoxy-4,5-(O-isopropylidenedioxy)tetracyclo[6.2.1.02,7.02,10]undecan-3-on-4-yl](phenyl)methyl O-phenyl carbonothioate
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(1R,4S,4aR,5R,6S,7S,8aS)-5-trihydroxy-6,7-O-isopropylidenedioxy-1,4,4a,5,6,7,8,8a-octahydro-endo-1,4-methanonaphthalen-8-one