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