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