Methyl 5-cyano-4-fluoro-3-(trifluoromethoxy)pyridine-2-carboxylate
3-Chloro-4-fluoro-6-(trifluoromethoxy)pyridine-2-acetic acid
4-Chloro-3-methoxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Chloro-4-fluoro-2-(trifluoromethoxy)pyridine-6-acetic acid