InChI=1/C23H18N2O6S/c26-22(27)14-24-32(29,30)19-11-7-16(8-12-19)15-5-9-18(10-6-15)25-23(28)21-13-17-3-1-2-4-20(17)31-21/h1-13,24H,14H2,(H,25,28)(H,26,27)/p-1/fC23H17N2O6S/h25H/q-1 69E37F64A9DE8CA7