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