InChI=1/C15H11FN4O4/c16-11-5-7-12(8-6-11)18-14(21)15(22)19-17-9-10-3-1-2-4-13(10)20(23)24/h1-9H,(H,18,21)(H,19,22)/b17-9+/f/h18-19H EE70865D43B94F4A