InChI=1/C20H22N4/c21-17-6-4-15(5-7-17)13-24-11-9-18(14-24)23-20-3-1-2-16-12-22-10-8-19(16)20/h1-8,10,12,18,23H,9,11,13-14,21H2/p+1/t18-/m1/s1/fC20H23N4/h24H/q+1 35D65BC6AA576CB6