InChI=1S/C24H20O13/c1-32-10-6-12-13(8-2-3-33-23(8)36-12)20-15(10)16(26)14-9(25)4-7(5-11(14)35-20)34-24-19(29)17(27)18(28)21(37-24)22(30)31/h2-6,8,17-19,21,23-25,27-29H,1H3,(H,30,31)