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