(6R,7aS)-4,4,7a-trimethyl-2-oxo-2,4,5,6,7,7a-hexahydro-1-benzofuran-6-yl acetate 2(4H)-benzofuranone, 6-(acetyloxy)-5,6,7,7a-tetrahydro-4,4,7a-trimethyl-, (6R,7aS)- InChI=1/C13H18O4/c1-8(14)16-9-6-12(2,3)10-5-11(15)17-13(10,4)7-9/h5,9H,6-7H2,1-4H3/t9-,13+/m1/s