InChI=1/C13H18N4O2/c1-13(2,3)10(14)11(18)15-7-4-5-8-9(6-7)17-12(19)16-8/h4-6,10H,14H2,1-3H3,(H,15,18)(H2,16,17,19)/p+1/t10-/m1/s1/fC13H19N4O2/h14-17H/q+1 E489916E8358A1F6