4-Cyano-5-(difluoromethyl)-2-nitropyridine-3-acetonitrile
Ethyl 2-cyano-3-(difluoromethyl)-6-hydroxypyridine-5-acetate
2-Cyano-3-(difluoromethyl)-5-nitropyridine-4-carboxylic acid
Methyl 4-cyano-5-(difluoromethyl)-2-hydroxypyridine-3-acetate
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