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