InChI=1/C10H10N4O4/c1-11-9(16)7-8-13-5(10(17)18-2)3-6(15)14(8)4-12-7/h3-4,15H,1-2H3,(H,11,16)/p-1/fC10H9N4O4/h15h,11H/q-1 0A1F86D79E45416A