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