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