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