InChI=1/C21H15BrN4O/c22-15-9-11-16(12-10-15)24-21-18-4-2-1-3-17(18)19(25-26-21)13-5-7-14(8-6-13)20(23)27/h1-12H,(H2,23,27)(H,24,26)/f/h24H,23H2 B9BD0D296CFC6E15