InChI=1/C21H18N4/c1-15-5-4-6-17(13-15)23-21-19-8-3-2-7-18(19)20(24-25-21)14-16-9-11-22-12-10-16/h2-13H,14H2,1H3,(H,23,25)/p+1/fC21H19N4/h23-24H/q+1 CFFD328A9F418A2C