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