InChI=1/C16H14BrN3O/c1-21-14-7-3-5-12(10-14)16-18-15(19-20-16)9-11-4-2-6-13(17)8-11/h2-8,10H,9H2,1H3,(H,18,19,20)/f/h20H C10AE591524AF7CC