4-Bromo-5-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
2-Chloro-3-fluoro-5-(trifluoromethoxy)pyridine-4-sulfonamide
2-Chloro-3-hydroxy-4-nitro-5-(trifluoromethoxy)pyridine
4-Chloro-3-fluoro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride