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