Ethyl 5-cyano-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate
6-(Chloromethyl)-3-cyano-4-hydroxy-2-(trifluoromethoxy)pyridine
6-(Chloromethyl)-4-cyano-3-hydroxy-2-(trifluoromethoxy)pyridine
3-Cyano-6-fluoro-4-iodo-2-(trifluoromethoxy)pyridine