InChI=1/C13H18N4O2/c1-3-7(2)11(14)12(18)15-8-4-5-9-10(6-8)17-13(19)16-9/h4-7,11H,3,14H2,1-2H3,(H,15,18)(H2,16,17,19)/p+1/t7-,11-/m0/s1/fC13H19N4O2/h14-17H/q+1 96D5FC8C63B3FEC6