4-(Chloromethyl)-5-(difluoromethyl)pyridine-2-acetonitrile
4-(Chloromethyl)-2-(difluoromethyl)pyridine-6-acetonitrile
4,6-Dibromo-2-(difluoromethyl)-3-nitropyridine
2,3-Dibromo-6-(difluoromethyl)-5-nitropyridine
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