InChI=1/C12H11BrN4O2/c13-6-1-2-9-7(3-6)12(16-10-4-8(10)14)11(5-15-9)17(18)19/h1-3,5,8,10H,4,14H2,(H,15,16)/p+1/t8-,10-/m0/s1/fC12H12BrN4O2/h14,16H/q+1 9B2FF2E38B6A2DD1