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