Ethyl 6-(bromomethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
4-(Bromomethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 2-(bromomethyl)-5-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylate
3-(Bromomethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-6-acetic acid