InChI=1/C13H18N4O3/c1-2-16(12-7-8-14-9-12)13(18)15-10-3-5-11(6-4-10)17(19)20/h3-6,12,14H,2,7-9H2,1H3,(H,15,18)/p+1/t12-/m1/s1/fC13H19N4O3/h14-15H/q+1 E0D403C68C08DC2B