InChI=1/C16H10ClFN2O3/c17-12-7-9(1-6-14(12)21)8-13-15(22)20(16(23)19-13)11-4-2-10(18)3-5-11/h1-8,21H,(H,19,23)/b13-8+/f/h19H FDE1A18B3314A9EA