InChI=1/C13H16N4O/c1-18-10-2-3-11-12(8-10)15-9-13(16-11)17-6-4-14-5-7-17/h2-3,8-9,14H,4-7H2,1H3/p+1/fC13H17N4O/h14H/q+1 8AA31B56E70DC1B3