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