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