3-Bromo-5-(chloromethyl)-2-(difluoromethyl)-4-nitropyridine
3-Bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine-6-acetonitrile
3-Bromo-4-(chloromethyl)-6-(difluoromethyl)-2-nitropyridine
3-Bromo-4-(chloromethyl)-5-(difluoromethyl)-2-nitropyridine
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