4-Cyano-2-(difluoromethyl)-6-iodopyridine-3-carboxylic acid
5-Cyano-4-(difluoromethyl)-3-methyl-2-(trifluoromethyl)pyridine
4-Cyano-2-(difluoromethyl)-3-iodopyridine-6-carboxylic acid
4-Cyano-2-(difluoromethyl)-5-methoxy-3-nitropyridine
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