2-(Bromomethyl)-3-chloro-4-(difluoromethyl)pyridine-6-carboxaldehyde
3-(Bromomethyl)-5-chloro-6-(difluoromethyl)pyridine-2-methanol
4-Chloro-5-(difluoromethyl)-2-fluoropyridine-3-carboxaldehyde
4-Chloro-5-(difluoromethyl)-3-iodopyridine-2-carboxylic acid