InChI=1S/C22H20O13/c1-32-14-3-7(2-10(25)16(14)26)11-6-9(24)15-12(33-11)4-8(23)5-13(15)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)