InChI=1/C11H12N4O5/c16-10(17)5-8-11(18)12-3-4-14(8)9-2-1-7(6-13-9)15(19)20/h1-2,6,8H,3-5H2,(H,12,18)(H,16,17)/p-1/t8-/m1/s1/fC11H11N4O5/h12H/q-1 3D0B97B762E0E075