InChI=1/C13H19N3O2/c1-15(2)12(17)9-16(3)8-10-5-4-6-11(7-10)13(14)18/h4-7H,8-9H2,1-3H3,(H2,14,18)/p+1/fC13H20N3O2/h16H,14H2/q+1 9C8EF2AB85FEBF5B