InChI=1/C20H16N4/c1-14-6-8-15(9-7-14)19-22-17-4-2-3-5-18(17)23-20(24-19)16-10-12-21-13-11-16/h2-13H,1H3,(H,22,23,24)/f/h23H E86D5F153A62B3C9