(4aS,8R,8aS)-8-hydroxy-3,8a-dimethyl-5-methylene-4a,5,6,7,8,8a-hexahydronaphtho[2,3-b]furan-2(4H)-one InChI=1/C15H18O3/c1-8-4-5-13(16)15(3)7-12-10(6-11(8)15)9(2)14(17)18-12/h7,11,13,16H,1,4-6H2,2-3H3/t11-,13+,15+/m0/s naphtho[2,3-b]furan-2(4H)-one, 4a,5,6,7,8,8a-hexahydro-8-hydroxy-3,8a-dimethyl-5-methylene-, (4aS,8R,8aS)-