InChI=1/C10H7N5O4/c16-8(7-4-2-1-3-5-7)9(13-17)14-6-11-10(12-14)15(18)19/h1-6,17H/p-1/b13-9+/fC10H6N5O4/h17h/q-1 2770A1A60965D766