InChI=1/C18H13N3O5/c22-14(23)5-4-10-8-21-13-7-12-9(6-15(24)25)2-1-3-11(12)16(13)20-18(26)17(21)19-10/h1-5,8H,6-7H2,(H,20,26)(H,22,23)(H,24,25)/p-2/b5-4+/fC18H11N3O5/h20H/q-2 B84AA03A9300A268