InChI=1/C20H27N3O2/c1-20(2,23(3)4)14-22-19(25)21-13-15-5-7-16(8-6-15)17-9-11-18(24)12-10-17/h5-12,24H,13-14H2,1-4H3,(H2,21,22,25)/p+1/fC20H28N3O2/h21-23H/q+1 5CE4F9036E490EE5