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