Ethyl 2-(bromomethyl)-5-fluoro-6-(trifluoromethoxy)pyridine-3-acetate
5-Cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
6-Cyano-3-iodo-2-methyl-4-(trifluoromethoxy)pyridine
4-Cyano-5-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid