InChI=1/C13H18N4O2/c1-8(15-6-5-12(18)14-2)9-3-4-10-11(7-9)17-13(19)16-10/h3-4,7-8,15H,5-6H2,1-2H3,(H,14,18)(H2,16,17,19)/p+1/t8-/m1/s1/fC13H19N4O2/h14-17H/q+1 90DDAC8C554EBF5A