InChI=1S/C22H22O12/c1-30-9-5-10(13-4-8-3-11(23)14(31-2)7-12(8)32-13)16(24)15(6-9)33-22-19(27)17(25)18(26)20(34-22)21(28)29/h3-7,17-20,22-27H,1-2H3,(H,28,29)