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