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