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