InChI=1/C16H10BrN3O/c17-11-7-5-10(6-8-11)13-9-15-18-16(21)12-3-1-2-4-14(12)20(15)19-13/h1-9H,(H,18,21)/p-1/fC16H9BrN3O/q-1 87BD1B2F143459A2