2-Fluoro-6-nitro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-5-carbonyl chloride
6-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Hydroxy-3-nitro-5-(trifluoromethoxy)pyridine-6-carbonyl chloride