InChI=1/C14H11N3O5/c18-12-3-1-2-10(13(12)19)8-15-16-14(20)9-4-6-11(7-5-9)17(21)22/h1-8,18-19H,(H,16,20)/b15-8+/f/h16H 01DC449A05A2F340