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