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