InChI=1/C15H10N4O4/c20-13-6-5-10(19(22)23)7-9(13)8-16-18-14-11-3-1-2-4-12(11)17-15(14)21/h1-8,20H,(H,17,18,21)/b16-8+/f/h17H/b16-8+,18-14-	1142BAA345907384