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