3-(Chloromethyl)-2-cyano-5-methoxy-6-(trifluoromethoxy)pyridine
2-(Chloromethyl)-5-cyano-3-methoxy-4-(trifluoromethoxy)pyridine
4-(Bromomethyl)-5-cyano-3-methoxy-2-(trifluoromethoxy)pyridine
2-Fluoro-6-nitro-5-(trifluoromethoxy)pyridine-3-acetic acid