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