5-Bromo-3-fluoro-2-(trifluoromethoxy)pyridine-4-carbonyl chloride
5-Bromo-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
5-Bromo-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
3-Bromo-5-fluoro-2-(trifluoromethoxy)pyridine-6-carbonyl chloride