InChI=1/C18H16N8O/c19-12-5-3-11(4-6-12)7-8-25-16-13(10-21-25)17-22-15(14-2-1-9-27-14)24-26(17)18(20)23-16/h1-6,9-10H,7-8,19H2,(H2,20,23)/f/h20H2 1EFA01FD22F1026B