InChI=1/C19H21N3O/c1-13-7-8-17-15(9-13)11-18(21-17)19(23)20-16-6-4-5-14(10-16)12-22(2)3/h4-11,21H,12H2,1-3H3,(H,20,23)/p+1/fC19H22N3O/h20,22H/q+1 D87FA6738AB562EF