InChI=1/C13H16N6O/c1-13(14,9-2-3-9)12(20)18-10-4-5-11(16-6-10)19-8-15-7-17-19/h4-9H,2-3,14H2,1H3,(H,18,20)/p+1/t13-/m0/s1/fC13H17N6O/h14,18H/q+1 7771B4473901B7A9