1(3H)-isobenzofuranone, hexahydro-4-hydroxy-7,7-dimethoxy- 4-hydroxy-7,7-dimethoxyhexahydro-2-benzofuran-1(3H)-one InChI=1/C10H16O5/c1-13-10(14-2)4-3-7(11)6-5-15-9(12)8(6)10/h6-8,11H,3-5H2,1-2H