InChI=1/C17H13N3O4/c18-15(22)9-1-4-11(5-2-9)20-17-13(16(19)23)7-10-3-6-12(21)8-14(10)24-17/h1-8,21H,(H2,18,22)(H2,19,23)/p+1/b20-17-/fC17H14N3O4/h20H,18-19H2/q+1 88FD4BB39F11E27E