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