InChI=1/C13H16N4O/c1-3-10-11(12(14)17-13(15)16-10)8-5-4-6-9(7-8)18-2/h4-7H,3H2,1-2H3,(H4,14,15,16,17)/f/h14-15H2 9B185A0C416AD063