InChI=1/C8H7BrN6O5/c9-5-1-4(7(16)6(2-5)14(17)18)3-11-12-8(10)13-15(19)20/h1-3,16H,(H3,10,12,13)/b11-3+/f/h12H,10H2/b11-3+,13-8+ 0A0E031956402B65