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