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