InChI=1/C19H16N8O2/c1-2-26-11-13-15(24-26)22-18(23-19(28)20-12-7-4-3-5-8-12)27-17(13)21-16(25-27)14-9-6-10-29-14/h3-11H,2H2,1H3,(H2,20,22,23,24,28)/f/h20,23H 849D885328584F31