2-Hydroxy-4-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Fluoro-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid
2-Fluoro-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetic acid
3-Hydroxy-6-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide