InChI=1/C12H10BrN5O3/c13-8-3-1-2-7(4-8)6-14-17-10(19)5-9-11(20)15-12(21)18-16-9/h1-4,6H,5H2,(H,17,19)(H2,15,18,20,21)/p-1/b14-6+/fC12H9BrN5O3/h15,17H/q-1 5D255F73BCAA71B9