4-Chloro-2-fluoro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 3-bromo-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate
3-Chloro-5-fluoro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Methyl 3-bromo-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate