2-Fluoro-5-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Hydroxy-3-methoxy-6-nitro-5-(trifluoromethoxy)pyridine
3-(Bromomethyl)-6-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine
2-Fluoro-5-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde