Methyl 3-(chloromethyl)-4-cyano-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 5-(bromomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-acetate
2-Fluoro-6-iodo-5-(trifluoromethoxy)pyridine-3-methanol
Ethyl 4-(bromomethyl)-3-cyano-6-(trifluoromethoxy)pyridine-2-acetate