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