(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-1-[5-methyl-1-(4-methyl-4-trimethylsilanyloxy-pentyl)-5-trimethylsilanyloxy-hexyl]-octahydro-indene

[1R-[1α,3aβ,4α,7aα]]-5-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]octahydro-7a-methyl-1H-inden-1-yl]nonanedioic acid diethyl ester

2-[(1S,3aR,4S,7aR)-4-(tert-Butyl-dimethyl-silanyloxy)-7a-methyl-octahydro-inden-1-yl]-propenal

8-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)cyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)-2,2,4,4,12,12,14,14-octamethyl-3,13-dioxa-2,14-disilapentadecane

tert-Butyl-dimethyl-[(1R,3aR,4S,7aR)-7a-methyl-1-(1-methylene-allyl)-octahydro-inden-4-yloxy]-silane