5-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 4-fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate