5-Cyano-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Fluoro-5-methoxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-Cyano-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-acetonitrile
4-Cyano-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid