InChI=1/C18H13BrN4O2/c19-11-5-6-15-13(8-11)17(18(25)21-15)23-22-16(24)7-10-9-20-14-4-2-1-3-12(10)14/h1-6,8-9,20H,7H2,(H,22,24)(H,21,23,25)/p+1/fC18H14BrN4O2/h21-23H/q+1 3B815DF119D3241F