4-(Aminomethyl)-2-bromo-3-(difluoromethyl)pyridine-5-carboxaldehyde
5-Chloro-2-cyano-3-(difluoromethyl)-6-iodopyridine
3-(Aminomethyl)-5-bromo-6-(difluoromethyl)pyridine-2-carboxaldehyde
3-(Aminomethyl)-5-bromo-4-(difluoromethyl)pyridine-2-carboxaldehyde