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(1S,2S,3S,6S,7S,8R,12S)-3,7-Dibenzyloxy-6-(3-butenyl)-6-(cyclohexylmethylsiloxy)-2,12-(isopropylidenedioxy)-1,5,5-trimethyl-9-methylenebicyclo[6.4.0]dodecan-4-one
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(1S,2S,3S,4R,6R,7S,8R,12S)-3,7-Dibenzyloxy-4-(tert-butyldimethylsiloxy)-2,12-(isopropylidenedioxy)-6-(p-methoxybenzyloxy)-1,5,5-trimethyl-9-methylenebicyclo[6.4.0]dodecane
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(1S,2S,3S,6S,7S,8R,12S)-3,7-Dibenzyloxy-6-(cyclohexyldimethylsiloxy)-2,12-(isopropylidenedioxy)-1,5,5-trimethyl-9-methylene-6-(3-oxobutyl)bicyclo[6.4.0]dodecan-4-one
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(1S,2S,3S,4R,6S,7S,8R,12S)-3,7-Dibenzyloxy-6-(3-butenyl)-4,6-(dicyclohexylsilylenedioxy)-2,12-(isopropylidenedioxy)-1,5,5-trimethyl-9-methylenebicyclo[6.4.0]dodecane
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(1S,2S,3R,4R,6S,7S,8R,12S)-3,7-Dibenzyloxy-6-(3-butenyl)-6-(dicyclohexylmethylsiloxy)-2,12-(isopropylidenedioxy)-1,5,5-trimethyl-9-methylenebicyclo[6.4.0]dodecan-4-ol