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