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