InChI=1/C15H23N3O/c1-11-8-13(12-4-2-5-12)18-14(17-11)16-9-15(10-19)6-3-7-15/h8,12,19H,2-7,9-10H2,1H3,(H,16,17,18)/f/h16H 7A5A91B91913826D