InChI=1/C19H21N3O/c1-13-18(16-9-4-5-10-17(16)20-13)19(23)21-15-8-6-7-14(11-15)12-22(2)3/h4-11,20H,12H2,1-3H3,(H,21,23)/p+1/fC19H22N3O/h21-22H/q+1 2D66BF49716C4124