InChI=1/C21H18N4O/c1-26-17-6-4-5-16(14-17)23-21-19-8-3-2-7-18(19)20(24-25-21)13-15-9-11-22-12-10-15/h2-12,14H,13H2,1H3,(H,23,25)/p+1/fC21H19N4O/h23-24H/q+1 B84BACB8AB5537FC