InChI=1/C13H20N4O/c1-16-4-6-17(7-5-16)9-13(18)10-2-3-11(14)12(15)8-10/h2-3,8H,4-7,9,14-15H2,1H3/p+1/fC13H21N4O/h16H/q+1 AD3FE7627553F155