4-Hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine-6-carbonyl chloride
5-Fluoro-2-nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide
4-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Fluoro-4-nitro-2-(trifluoromethoxy)pyridine-6-sulfonamide