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