6-(Chloromethyl)-2-cyano-3-fluoro-4-(trifluoromethoxy)pyridine
4-Chloro-6-hydroxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Chloro-2-cyano-6-(trifluoromethoxy)pyridine-3-acetonitrile
4-Chloro-2-cyano-3-(trifluoromethoxy)pyridine-6-acetonitrile