InChI=1/C13H16N4O3/c1-3-8(7(2)14)9-4-11-10(5-12(9)17(19)20)13(18)16-6-15-11/h4-8H,3,14H2,1-2H3,(H,15,16,18)/p+1/t7-,8+/m1/s1/fC13H17N4O3/h14,16H/q+1 546E7E256C6715EC