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
Methyl 3-(aminomethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-5-carboxylate