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