Ethyl 3-(fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-(fluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylate
3-Fluoro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-acetic acid
Ethyl 2-(fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate