InChI=1/C15H10BrN3O2/c16-11-7-9(15(20)21)5-6-13(11)18-14-8-17-19-12-4-2-1-3-10(12)14/h1-8H,(H,18,19)(H,20,21)/p-1/fC15H9BrN3O2/h18H/q-1 969F3E431FAB05B9