InChI=1S/C22H24O12/c1-31-12-6-10-13(24)11(8-2-4-9(23)5-3-8)7-32-18(10)17(28)19(12)33-22-16(27)14(25)15(26)20(34-22)21(29)30/h2-6,11,13-16,20,22-28H,7H2,1H3,(H,29,30)