5-Chloro-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Chloro-5-cyano-4-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 2-cyano-5-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate
6-Chloro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile