Ethyl 5-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
6-Fluoro-4-(fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
Methyl 3-fluoro-5-methyl-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 4-fluoro-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate