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