InChI=1/C14H21N3O2/c1-4-9(5-2)17(3)12-7-11-13(6-10(12)15)19-8-14(18)16-11/h6-7,9H,4-5,8,15H2,1-3H3,(H,16,18)/f/h16H 2768B16B26C2EE51