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