InChI=1/C13H20N4O/c1-9-6-7-16-13(12(9)15)17(8-11(14)18)10-4-2-3-5-10/h6-7,10H,2-5,8,15H2,1H3,(H2,14,18)/p+1/fC13H21N4O/h16H,14H2/q+1 5A4C8DC40FBE4410