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