InChI=1/C20H19N5O2S/c26-19(22-10-9-13-11-21-12-23-13)14-5-1-3-7-16(14)24-20(27)18-15-6-2-4-8-17(15)28-25-18/h1-8,11-12,18,25H,9-10H2,(H,21,23)(H,22,26)(H,24,27)/p+1/t18-/m1/s1/fC20H20N5O2S/h21-24H/q+1 7954C89A315D3E72