4-Chloro-2-hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine
3-Cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Chloro-5-hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine
2-Cyano-6-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylic acid
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