InChI=1/C19H16N4O4/c1-12-18(23-9-3-2-4-16(23)20-12)19(25)22-21-17(24)8-6-13-5-7-14-15(10-13)27-11-26-14/h2-10H,11H2,1H3,(H,21,24)(H,22,25)/b8-6+/f/h21-22H	5D81D2FCD8DA86BA