InChI=1/C19H15BrN4O2S/c1-21-19-24(22-9-13-4-2-3-5-14(13)20)16(11-27-19)12-6-7-17-15(8-12)23-18(25)10-26-17/h2-9,11H,10H2,1H3,(H,23,25)/p+1/b22-9+/fC19H16BrN4O2S/h21,23H/q+1 F44411EE197BA3AF