Methyl 3-cyano-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 6-cyano-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
3-Cyano-5-iodo-2-methyl-6-(trifluoromethoxy)pyridine
Ethyl 3-(bromomethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-5-acetate