InChI=1/C15H18N4O4/c1-15(10-3-2-4-12(9-10)19(22)23)13(20)18(14(21)17-15)11-5-7-16-8-6-11/h2-4,9,11,16H,5-8H2,1H3,(H,17,21)/p+1/t15-/m1/s1/fC15H19N4O4/h16-17H/q+1 8EDE927AFF095021