InChI=1/C14H11N3O6/c18-11-5-9(6-12(19)13(11)20)14(21)16-15-7-8-2-1-3-10(4-8)17(22)23/h1-7,18-20H,(H,16,21)/b15-7+/f/h16H FF79F545FC8BC09D