InChI=1/C10H7N5O4/c16-7(5-1-3-11-4-2-5)15-14-6-8(17)12-10(19)13-9(6)18/h1-4H,(H,15,16)(H2,12,13,17,18,19)/p-2/fC10H5N5O4/h15H/q-2 A754AAAA562278B0