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