InChI=1/C12H7BrFN3O4/c13-7-5-6(1-3-8(7)14)2-4-9-10(17(20)21)11(18)16-12(19)15-9/h1-5H,(H2,15,16,18,19)/p-1/b4-2+/fC12H6BrFN3O4/h16H/q-1 E74EBF0FF4469E13