InChI=1/C16H11BrN6/c17-12-7-5-11(6-8-12)9-18-20-15-13-3-1-2-4-14(13)16-21-19-10-23(16)22-15/h1-10H,(H,20,22)/b18-9+/f/h20H 3DF677FF2A986A7F