(3aS,3bR,6S)-3b,6-dihydroxy-3a,5,5-trimethyl-3-methylene-3,3a,3b,4,5,6-hexahydro-2H-cyclopenta[a]pentalen-2-one 2H-cyclopenta[a]pentalen-2-one, 3,3a,3b,4,5,6-hexahydro-3b,6-dihydroxy-3a,5,5-trimethyl-3-methylene-, (3aS,3bR,6S)- InChI=1/C15H18O3/c1-8-11(16)6-9-5-10-12(17)13(2,3)7-15(10,18)14(8,9)4/h5-6,12,17-18H,1,7H2,2-4H3/t12-,14-,15+/m1/s