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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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(1S,2S,3R,6S,7S,8S,9R,14S)-9-Benzyloxy-3,6-bis-methoxymethoxy-2,7,14-trimethyl-4-methylene-tricyclo[5.4.3.01,8]tetradecane
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(1R,2R,3S,7R,8S,9S,14R)-9-Benzyloxy-3-methoxymethoxy-2,7,14-trimethyl-4-methylene-tricyclo[5.4.3.01,8]tetradecane-6,12-dione
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[(1S,2S,3R,6S,7S,8S,9R,14S)-9-Benzyloxy-3,6-bis-methoxymethoxy-2,7,14-trimethyl-tricyclo[5.4.3.01,8]tetradec-(4E)-ylidene]-acetaldehyde