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