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