InChI=1/C13H16N4O/c1-9-8-17(7-6-14-9)13(18)12-15-10-4-2-3-5-11(10)16-12/h2-5,9,14H,6-8H2,1H3,(H,15,16)/p+1/t9-/m1/s1/fC13H17N4O/h14-15H/q+1 9CE374E166F6BB0B