3-Cyano-5-fluoro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Cyano-4-fluoro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
5-Fluoro-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Fluoro-2-nitro-5-(trifluoromethoxy)pyridine-6-carbonyl chloride