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