InChI=1/C21H18BrN5O/c22-18-7-5-15(6-8-18)19-11-20(26-25-19)21(28)24-12-16-3-1-2-4-17(16)13-27-10-9-23-14-27/h1-11,14H,12-13H2,(H,24,28)(H,25,26)/f/h24-25H D29AE44AADD938E7