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