4-Hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine-3-carbonyl chloride
4-Hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
3-Fluoro-2-nitro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
4-Fluoro-6-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid