InChI=1/C21H24N4/c1-15-3-5-17(6-4-15)20-19(16-7-11-22-12-8-16)21(24-23-20)18-9-13-25(2)14-10-18/h3-8,11-12,18H,9-10,13-14H2,1-2H3,(H,23,24)/p+1/fC21H25N4/h23,25H/q+1 8790B436E98D461A