Ethyl 6-fluoro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-(bromomethyl)-6-cyano-2-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-cyano-4-methoxy-5-(trifluoromethoxy)pyridine-2-acetate
Methyl 5-(bromomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxylate