InChI=1S/C22H22O12/c1-30-13-6-8-5-12(32-11(8)7-14(13)31-2)9-3-4-10(16(24)15(9)23)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)