InChI=1/C13H18N4O/c1-8-4-10-11(5-9(8)2)17(7-16-10)6-13(3,15)12(14)18/h4-5,7H,6,15H2,1-3H3,(H2,14,18)/p+1/t13-/m1/s1/fC13H19N4O/h15H,14H2/q+1 AB8D1475953FE6D7