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