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