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