4-Chloro-6-cyano-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-Chloro-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Chloro-5-cyano-6-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Chloro-5-cyano-2-(trifluoromethoxy)pyridine-6-carboxylic acid