3-Chloro-4-(chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine
3-Chloro-2-(chloromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine
2-Cyano-4-iodo-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Cyano-3-fluoro-5-(trifluoromethoxy)pyridine-6-carboxylic acid