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