Ethyl 3-chloro-2-(difluoromethyl)-4-fluoropyridine-5-carboxylate
2-Bromo-6-(chloromethyl)-3-(difluoromethyl)pyridine-4-carboxylic acid
2-Bromo-4-(bromomethyl)-3-(difluoromethyl)pyridine-5-acetonitrile
3-Bromo-6-(chloromethyl)-4-(difluoromethyl)pyridine-2-carboxaldehyde