InChI=1/C18H30O2/c1-15(11-19)7-4-8-16(2)13(15)5-9-17(3)14(16)6-10-18(17)12-20-18/h13-14,19H,4-12H2,1-3H3/t13-,14+,15-,16-,17-,18+/m0/s rel-[(3R,3aR,5aS,6S,9aR,9bS)-3a,6,9a-trimethyldodecahydrospiro[cyclopenta[a]naphthalene-3,2'-oxiran]-6-yl]methanol spiro[3H-benz[e]indene-3,2'-oxirane]-6-methanol, dodecahydro-3a,6,9a-trimethyl-, (3S,3aS,5aR,6R,9aS,9bR)-