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