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