Ethyl 3-(fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-(chloromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-(fluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-(fluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-5-acetate