InChI=1/C13H15N5/c1-6(2)10-5-7-8(16-10)3-4-9-11(7)12(14)18-13(15)17-9/h3-6,16H,1-2H3,(H4,14,15,17,18)/p+1/fC13H16N5/h17H,14-15H2/q+1 FE0AC14C516A9B0E