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