5-Cyano-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
4-Fluoro-2-(fluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine
3-Cyano-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetic acid