Cycloocta[de]-1,3-benzodioxin-8,10-diol,8-(3-butenyl)dodecahydro-2,2,9,9,11b-pentamethyl-6-methylene-7,11-bis(phenylmethoxy)-, (3aS,6aR,7S,8S,10R,11R,11aS,11bS)-

(1R,2S,5R,6S,7S,8S,9S)-2,6-Dibenzyloxy-5-(tert-butyldimethylsiloxy)-7,9-(isopropylidenedioxy)-4,4,8-trimethyl-12-methylenebicyclo[6.4.0]dodecan-3-one

(1S,2S,3S,4R,6R,7S,8R,12S)-3,7-Dibenzyloxy-4-(tert-butyldimethylsiloxy)-6-(p-methoxybenzyloxy)-1,5,5-trimethyl-9-methylenebicyclo[6.4.0]dodecane-2,12-diol

2α,10β-dibenzyloxy-11β-(t-butyldimethylsiloxy)-7β-hydroxy-1α-(p-methoxybenzyloxy)-8β,15,15-trimethyl-4-methylene-trans-bicyclo[6.4.0]dodecan-9-one