(6R,7aR)-3,6-dimethyl-5,6,7,7a-tetrahydro-1-benzofuran-2(4H)-one 2(4H)-benzofuranone, 5,6,7,7a-tetrahydro-3,6-dimethyl-, (6R,7aR)- InChI=1/C10H14O2/c1-6-3-4-8-7(2)10(11)12-9(8)5-6/h6,9H,3-5H2,1-2H3/t6-,9-/m1/s