InChI=1/C19H16N8O2/c1-11-5-7-12(8-6-11)20-19(28)23-18-22-15-13(10-26(2)24-15)17-21-16(25-27(17)18)14-4-3-9-29-14/h3-10H,1-2H3,(H2,20,22,23,24,28)/f/h20,23H 4513EFEFBBE333B9