InChI=1/C15H21N3O/c1-12-9-14(17-16-12)11-18(2)8-7-13-5-4-6-15(10-13)19-3/h4-6,9-10H,7-8,11H2,1-3H3,(H,16,17)/f/h16H 5B8CC6C2FCF7894E