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