InChI=1/C13H10BrN3O2/c1-7-12(18)16-11-10(6-15-17(11)13(7)19)8-3-2-4-9(14)5-8/h2-6,19H,1H3,(H,16,18)/p-2/fC13H8BrN3O2/h19h/q-2 49C8FC9F3EA31B9E