InChI=1/C17H12N2O4/c20-16-8-6-11(9-15(16)19(22)23)5-7-12-10-17(21)13-3-1-2-4-14(13)18-12/h1-10,20H,(H,18,21)/b7-5+/f/h18H	151BB6B4CB3EA444