InChI=1/C14H16N6O/c1-19-4-3-16-13(19)7-20(2)12-6-11-9(5-10(12)15)14(21)18-8-17-11/h3-6,8H,7,15H2,1-2H3,(H,17,18,21)/p+1/fC14H17N6O/h16,18H/q+1 F5EB3F456B0FC8C1