1(3H)-isobenzofuranone, 4,7-bis(acetyloxy)hexahydro- 1-oxooctahydro-2-benzofuran-4,7-diyl diacetate InChI=1/C12H16O6/c1-6(13)17-9-3-4-10(18-7(2)14)11-8(9)5-16-12(11)15/h8-11H,3-5H2,1-2H