6-Chloro-4-fluoro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Chloro-2-fluoro-5-(trifluoromethoxy)pyridine-3-sulfonamide
6-Chloro-3-(chloromethyl)-2-iodo-4-(trifluoromethoxy)pyridine
3-Chloro-5-(difluoromethyl)-2-iodo-6-(trifluoromethoxy)pyridine