InChI=1/C21H20N4O5S/c1-14-6-11-18(13-20(14)25(27)28)31(29,30)24-17-9-7-16(8-10-17)21(26)23-15(2)19-5-3-4-12-22-19/h3-13,15H,1-2H3,(H2,23,24,26)/p-1/t15-/m0/s1/fC21H19N4O5S/h23H/q-1 C4D095DBA92B9CE4