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