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