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