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