InChI=1/C13H19N3O2/c1-16-7-5-11-10(9-16)3-2-4-12(11)15-13(18)14-6-8-17/h2-4,17H,5-9H2,1H3,(H2,14,15,18)/f/h14-15H D1D7EB12CB7FB001