InChI=1/C15H23N3O/c1-4-16-13-6-5-12(11-17-13)14(19)18-9-7-15(2,3)8-10-18/h5-6,11H,4,7-10H2,1-3H3,(H,16,17)/f/h16H 508542B78C47844B