InChI=1/C13H16N4O/c1-10(18)16-6-8-17(9-7-16)13-14-11-4-2-3-5-12(11)15-13/h2-5H,6-9H2,1H3,(H,14,15)/p+1/fC13H17N4O/h14-15H/q+1 F7C90A87E511AE0D