InChI=1S/C22H22O12/c1-31-18-10(32-22-16(28)13(25)15(27)20(34-22)21(29)30)7-9(23)11-12(24)14(26)17(33-19(11)18)8-5-3-2-4-6-8/h2-7,13-17,20,22-23,25-28H,1H3,(H,29,30)