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