(1S,3S,3aR,4S,7aS)-3-(3-acetoxy-4-methoxybenzyl)-4-tert-butyldimethylsiloxy-7-methylene-1-vinyl-1,2,3,3a,7,7a-hexahydroindene

(1R,4S,4aR,5R,6R,7R,8S,8aS)-5-tert-butyldimethylsiloxy-6,7-O-isopropylidenedioxy-1,4,4a,5,6,7,8,8a-octahydro-endo-1,4-methanonaphthalen-8-ol

(1S,3S,3aR,4S,7aS)-3-(3-hydroxy-4-methoxybenzyl)-7-methylene-1-vinyl-1,2,3,3a,7,7a-hexahydroindene-4-ol

(1S,3S,3aR,4S,7aS)-3-(3-dichloroacetoxy-4-methoxybenzyl)-1,2,3,3a,7,7a-hexahydro-7-methylene-1-(vinyl)inden-4-ol

(1S,3S,3aR,4R,5R,6R,7aS)-4-tert-butyldimethylsiloxy-3-(3-hydroxy-4-methoxybenzyl)7-methylene-1-(vinyl)octahydroindene-5,6-diol