InChI=1S/C22H20O13/c1-32-13-6-12-14(16(26)15(13)25)9(24)5-10(33-12)7-2-3-8(23)11(4-7)34-22-19(29)17(27)18(28)20(35-22)21(30)31/h2-6,17-20,22-23,25-29H,1H3,(H,30,31)