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