InChI=1/C21H23N3O/c25-21-13-19(22-20-11-4-5-12-24(20)21)16-23(15-18-9-6-10-18)14-17-7-2-1-3-8-17/h1-5,7-8,11-13,18H,6,9-10,14-16H2/p+1/fC21H24N3O/h23H/q+1 DF8C43CA39BA269C