InChI=1/C13H18N4O2/c14-9(3-1-2-4-12(15)18)8-5-6-10-11(7-8)17-13(19)16-10/h5-7,9H,1-4,14H2,(H2,15,18)(H2,16,17,19)/p+1/t9-/m1/s1/fC13H19N4O2/h14,16-17H,15H2/q+1 DDF1AC505F134314