InChI=1/C20H21N3/c1-2-4-18(5-3-1)20(10-12-21-13-11-20)19-8-6-16(7-9-19)17-14-22-23-15-17/h1-9,14-15,21H,10-13H2,(H,22,23)/p+1/fC20H22N3/h21-22H/q+1 50DF6B14059BAD07