InChI=1/C15H24O3/c1-10-11-6-3-4-7-12(11)15(17)9-5-8-14(10,15)13(16)18-2/h10-12,17H,3-9H2,1-2H3/t10-,11-,12+,14-,15-/m0/s cyclopent[a]indene-8a(1H)-carboxylic acid, decahydro-3a-hydroxy-8-methyl-, methyl ester, (3aS,3bR,7aS,8S,8aR)- methyl rel-(3aR,3bS,7aR,8R,8aS)-3a-hydroxy-8-methyldecahydrocyclopenta[a]indene-8a(1H)-carboxylate