Methyl 6-(bromomethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-fluoro-4-methyl-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-fluoro-4-methyl-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 2-(bromomethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate