(1S,3aS,6R,7aS)-6-(3-chloro-2-butenyl)-1-(1,1-dimethylethoxy)octahydro-7a-methyl-5H-inden-5-one

(1S,3aS,7aS)-1-tert-Butoxy-7a-methyl-5-oxo-octahydro-indene-4-carboxylic acid

[1S-(1α,3aβ,5α,7aα)]-1-(1,1-dimethylethoxy)-octahydro-7a-methyl-6-methylideninden-5-ol

4'-([3S-(3α,3aα,7aβ)]-3-(1,1-dimethylethoxy)-2,3,3a,4,7,7a-hexahydro-3a-methyl-1H-inden-5-yl)butan-2'-one

[3S-(3α,3aα,7aβ)]-3-(1,1-dimethylethoxy)-2,3,3a,4,7,7a-hexahydro-6-hydroxy-3a-methyl-1H-indene-5-carboxylic acid methyl ester