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