4-Fluoro-6-nitro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Fluoro-2-nitro-5-(trifluoromethoxy)pyridine-3-methanol
3-Hydroxy-2-nitro-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Fluoro-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxylic acid