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