2-Fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Fluoro-6-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-Fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxaldehyde