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