5-(Aminomethyl)-4-(difluoromethyl)-3-iodopyridine-2-acetonitrile
3-(Aminomethyl)-5-(difluoromethyl)-2-iodopyridine-4-carboxaldehyde
2-(Chloromethyl)-5-(difluoromethyl)-4-iodopyridine-3-carboxaldehyde
2-(Aminomethyl)-5-(difluoromethyl)-3-iodopyridine-4-carboxaldehyde