InChI=1/C13H16N4O/c1-16-5-7-17(8-6-16)13-14-4-2-12(15-13)11-3-9-18-10-11/h2-4,9-10H,5-8H2,1H3/p+1/fC13H17N4O/h16H/q+1 D11039EDFDDE513F