Showing structure for (3r,3ar,5ar,5bs,8s,9ar,10r,10ar,10br)-3-[(2r,5r)-5,6-dimethylheptan-2-yl]-8,10a-dihydroxy-3a,5b-dimethyl-9-methylidene-dodecahydrocyclopenta[a]fluorene-10-carbaldehyde