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