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