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