InChI=1/C20H21N3/c1-2-21-18-13-14-19(22-15-18)23-20(16-9-5-3-6-10-16)17-11-7-4-8-12-17/h3-15,20-21H,2H2,1H3,(H,22,23)/p+1/fC20H22N3/h22-23H/q+1 08BE414F23BE5006