InChI=1/C23H20N2/c1-17-16-22(24-21-15-9-8-14-20(17)21)25-23(18-10-4-2-5-11-18)19-12-6-3-7-13-19/h2-16,23H,1H3,(H,24,25)/p+1/fC23H21N2/h24-25H/q+1 31CED991D45D85F7