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