5,5-dimethyl-3-[4-nitro-3-(trifluoromethyl)phenyl]-1-{9-[(4,4,5,5,5-pentafluoropentyl)sulphinyl]nonyl}imidazolidine-2,4-dione 、
5,5-dimethyl-3-[4-nitro-3-(trifluoromethyl)phenyl]-1-{5-[(4,4,5,5,5-pentafluoropentyl)thio]pentyl}imidazolidine-2,4-dione 以136 mg of a white solid is obtained (73%)的产率得到5,5-dimethyl-3-[4-nitro-3-(trifluoromethyl)phenyl]-1-{5-[(4,4,5,5,5-pentafluoropentyl)sulphinyl]pentyl}imidazolidine-2,4-dione