InChI=1/C13H16N4O/c1-9-3-4-11(14)10(7-9)13(18)16-8-12-15-5-6-17(12)2/h3-7H,8,14H2,1-2H3,(H,16,18)/p+1/fC13H17N4O/h15-16H/q+1 E629B331262BA8A8