InChI=1/C24H18N4/c1-3-7-21-17(5-1)19-9-11-27(15-23(19)25-21)13-14-28-12-10-20-18-6-2-4-8-22(18)26-24(20)16-28/h1-12,15-16H,13-14H2/p+2/fC24H20N4/h25-26H/q+2 19D06AF7D59461B2