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