InChI=1/C8H8N4O4/c1-2-15-5(13)3-4-8(14)10-7-6(9-4)11-16-12-7/h3,13H,2H2,1H3,(H,10,12,14)/p-1/b5-3+/fC8H7N4O4/q-1 82C2D2A0DF16A33B