3-Bromo-4-chloro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
5-Amino-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Bromo-4-fluoro-2-iodo-6-(trifluoromethoxy)pyridine
3-Bromo-4-chloro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride