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