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