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