InChI=1/C12H12N4O4/c1-7-11(16-20-15-7)12(18)14-13-6-8-3-4-10(19-2)9(17)5-8/h3-6,17H,1-2H3,(H,14,18)/b13-6+/f/h14H	838C4FCA0E3723B0