InChI=1/C21H16BrN5O/c22-15-10-11-19(28)14(12-15)13-23-27-21(24-16-6-2-1-3-7-16)20-25-17-8-4-5-9-18(17)26-20/h1-13,28H,(H,24,27)(H,25,26)/p+1/b23-13+/fC21H17BrN5O/h24-25,27H/q+1 CBDEFD36F3D37956