Ethyl 2-chloro-5-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Cyano-3-fluoro-6-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Chloro-4-methoxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-Chloro-2-methoxy-6-(trifluoromethoxy)pyridine-4-acetonitrile