Ethyl 4-bromo-2-(chloromethyl)-5-(difluoromethyl)pyridine-3-carboxylate
2-Bromo-5-(chloromethyl)-3-(difluoromethyl)pyridine-6-acetonitrile
6-Bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine-3-acetonitrile
6-Bromo-4-(chloromethyl)-3-(difluoromethyl)pyridine-2-acetonitrile