InChI=1/C13H10N4O5/c18-9-7(8(16-17-9)6-4-2-1-3-5-6)13(22)10(19)14-12(21)15-11(13)20/h1-5,8,18,22H,(H2,14,15,19,20,21)/p+1/t8-/m0/s1/fC13H11N4O5/h14-16H/q+1 CC0AC381EAB7E5C6