InChI=1S/C19H23N3O3/c1-13-4-6-15(17(10-13)25-3)12-22-19(24)18(23)20-9-8-16-7-5-14(2)11-21-16/h4-7,10-11H,8-9,12H2,1-3H3,(H,20,23)(H,22,24)