InChI=1/C14H21N3O2/c1-19-8-6-16-14(18)10-17-7-2-3-11-9-12(15)4-5-13(11)17/h4-5,9H,2-3,6-8,10,15H2,1H3,(H,16,18)/f/h16H 726BCA0D1BD91C9B