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