InChI=1/C16H9FN4O4S/c17-13-6-5-10(7-9(13)8-18)26(24,25)21-16(23)14-11-3-1-2-4-12(11)15(22)20-19-14/h1-7H,(H,20,22)(H,21,23)/f/h20,23H D01DF90AE9D6A1D9