4-Chloro-5-hydroxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Chloro-3-cyano-6-(trifluoromethoxy)pyridine-2-acetonitrile
4-Chloro-3-hydroxy-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Chloro-3-cyano-2-(trifluoromethoxy)pyridine-6-acetonitrile