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