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

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

(1R,3R,3aR,4R,5R,6S,7R)-4-tert-butyldimethylsiloxy-5,6-O-isopropylidenedioxy-3-[4-methoxy-3-(methoxymethoxy)benzyl]-7-oxooctahydroindene-1-carbaldehyde