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