3-Chloro-6-(chloromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
4-Cyano-6-fluoro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine
5-Chloro-2-(chloromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine
4-Cyano-2-fluoro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine