英文别名6-FLUORO-2,3-DIHYDRO-2H,5H-SPIRO[IMIDAZOLIDINE-4,4''-THIOCHROMENE]-2,5-DIONE 1'',1''-DIOXIDE; 6-FLUOROSPIRO[IMIDAZOLIDINE-4,4-THIOCHROMAN]-2,5-DIONE 1,1-DIOXIDE; 6-Fluoro-2,3-Dihydrospiro[1lambda6-Benzothiopyran-4,4'-Imidazolidine]-1,1,2',5'-Tetrone; Spiro[4H-1-benzothiopyran-4,4'-imidazolidine]-2',5'-dione, 6-fluoro-2,3-dihydro-, 1,1-dioxide; 6'-fluoro-2',3'-dihydro-2H,5H-spiro[imidazolidine-4,4'-thiochromene]-2,5-dione 1',1'-dioxide; 6-fluoro-1,1-dioxospiro[2,3-dihydrothiochromene-4,5'-imidazolidine]-2',4'-dione 
