6-Cyano-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylic acid
2-(Chloromethyl)-3-fluoro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
5-(Bromomethyl)-2-cyano-4-nitro-3-(trifluoromethoxy)pyridine
2-Cyano-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxylic acid