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