Methyl 5-bromo-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
5-Chloro-2-fluoro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Bromo-6-(chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4-Chloro-3-fluoro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride