InChI=1/C18H16N4O4/c1-12(13-7-3-2-4-8-13)21-26-11-16(23)20-22-17(24)14-9-5-6-10-15(14)19-18(22)25/h2-10H,11H2,1H3,(H,19,25)(H,20,23)/b21-12+/f/h19-20H	5EA320B6982602B1