Ethyl 6-cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Chloro-6-cyano-3-(trifluoromethoxy)pyridine-4-acetonitrile
Ethyl 2-cyano-6-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
4-Chloro-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylic acid