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