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