InChI=1/C10H7N7O3/c18-8-6-7(13-10(19)14-8)12-9(17-15-6)16-11-4-5-2-1-3-20-5/h1-4H,(H3,12,13,14,16,17,18,19)/p-1/b11-4-/fC10H6N7O3/h14,16H/q-1 9A0A0D8261E2D2CB