Acetic acid (3aR,4R,5S,7aS)-5-acetoxy-1-eth-(Z)-ylidene-7a-methyl-octahydro-inden-4-yl ester

(1R,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)-1,2,3,6,7,7a-hexahydrospiro[indene-5,2'-[1,3]dioxolane]

(3aS,5aR,6R,8aR,8bR)-6-((R)-1,5-Dimethyl-hexyl)-5a-methyl-octahydro-1,3-dioxa-as-indacene-2-thione

Acetic acid (3aR,4R,5S,7aS)-1-eth-(Z)-ylidene-5-(imidazole-1-carbothioyloxy)-7a-methyl-octahydro-inden-4-yl ester

methyl (R)-6-methyl-2-((1R,7aR)-7a-methyl-1,2,3,6,7,7a-hexahydrospiro[indene-5,2'-[1,3]dioxolan]-1-yl)heptanoate