InChI=1S/C22H16O13/c23-8-2-1-6-16-12(7-3-10-11(31-5-30-10)4-9(7)32-16)21(29)33-17(6)18(8)34-22-15(26)13(24)14(25)19(35-22)20(27)28/h1-4,13-15,19,22-26H,5H2,(H,27,28)