4-Cyano-3-methyl-5-nitro-2-(trifluoromethoxy)pyridine
3-Chloro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-Chloro-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Chloro-2-hydroxy-5-(trifluoromethoxy)pyridine-6-acetonitrile
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