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