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)/p+1/fC13H20N3O2/h14-16H/q+1 AB00758362234998