2-Fluoro-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Fluoro-3-methyl-4-(trifluoromethoxy)pyridine-6-sulfonamide
6-Fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Fluoro-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde