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