2-Cyano-3-(difluoromethyl)-5-nitropyridine-6-acetonitrile
2-(Chloromethyl)-3-cyano-6-(difluoromethyl)pyridine-4-methanol
Methyl 2-cyano-3-(difluoromethyl)-6-nitropyridine-5-carboxylate
6-Cyano-2-(difluoromethyl)-3-nitropyridine-4-carboxylic acid
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