InChI=1/C20H22N4/c1-3-7-19(8-4-1)23-13-11-22(12-14-23)15-18-16-24(17-21-18)20-9-5-2-6-10-20/h1-10,16-17H,11-15H2/p+1/fC20H23N4/h21H/q+1 26FCC7D4DA0B6127