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