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