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