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