InChI=1S/C24H16O11S/c25-15-10-18(27)24-19(28)12-20(34-22(24)11-15)14-3-5-16(6-4-14)33-23(29)8-2-13-1-7-17(26)21(9-13)35-36(30,31)32/h1-12,25-27H,(H,30,31,32)/b8-2+