2-Cyano-3-(fluoromethyl)-5-methoxy-4-(trifluoromethoxy)pyridine
3-Chloro-5-fluoro-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-(Chloromethyl)-6-cyano-2-methoxy-4-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2-cyano-4-methoxy-3-(trifluoromethoxy)pyridine