InChI=1/C13H10BrN3O2/c1-7-12(18)16-11-9(6-15-17(11)13(7)19)8-4-2-3-5-10(8)14/h2-6,19H,1H3,(H,16,18)/p-2/fC13H8BrN3O2/h19h/q-2 AFFACDDB1D486E56