InChI=1/C13H16N4O/c1-4-14-9-11-12(1)18-13(15-11)17-8-7-16-5-2-10(17)3-6-16/h1,4,9-10H,2-3,5-8H2/p+1/fC13H17N4O/h16H/q+1 FE44DB88D294465C