InChI=1/C15H12BrN5O2/c16-12-1-2-13(14(9-12)21(22)23)18-15-5-8-20(19-15)10-11-3-6-17-7-4-11/h1-9H,10H2,(H,18,19)/f/h18H ABA831ED476F0DE4