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