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