InChI=1/C15H18N4O4/c1-9-3-2-4-18(7-9)8-10-5-11-12(6-13(10)19(22)23)17-15(21)14(20)16-11/h5-6,9H,2-4,7-8H2,1H3,(H,16,20)(H,17,21)/p+1/t9-/m1/s1/fC15H19N4O4/h16-18H/q+1 30415DDF82FE5374