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