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