(3aR,7aS)-4,4,7a-trimethyl-3a,4,5,7a-tetrahydro-1-benzofuran-2(3H)-one 2(3H)-benzofuranone, 3a,4,5,7a-tetrahydro-4,4,7a-trimethyl-, (3aR,7aS)- InChI=1/C11H16O2/c1-10(2)5-4-6-11(3)8(10)7-9(12)13-11/h4,6,8H,5,7H2,1-3H3/t8-,11+/m1/s