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