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