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