4-(Chloromethyl)-3-cyano-2-hydroxy-5-(trifluoromethoxy)pyridine
4-Chloro-3-(chloromethyl)-5-methyl-2-(trifluoromethoxy)pyridine
4-Cyano-2-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine
4-(Chloromethyl)-6-cyano-3-hydroxy-2-(trifluoromethoxy)pyridine
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