InChI=1/C20H16N4/c1-14-5-7-15(8-6-14)19-12-16(9-11-22-19)17-13-23-24-20(17)18-4-2-3-10-21-18/h2-13H,1H3,(H,23,24)/f/h23H FB99304D8FC347A7