InChI=1/C22H20N4/c1-15-6-9-19(10-7-15)25-22(23)26-24-14-16-8-11-21-18(12-16)13-17-4-2-3-5-20(17)21/h2-12,14H,13H2,1H3,(H3,23,25,26)/p+1/b24-14+/fC22H21N4/h25-26H,23H2/q+1 91FAED4AB54C24E2