3-(Aminomethyl)-5-(difluoromethyl)-2-iodopyridine-4-carboxaldehyde
2-(Chloromethyl)-5-(difluoromethyl)-4-iodopyridine-3-carboxaldehyde
2-(Aminomethyl)-5-(difluoromethyl)-3-iodopyridine-4-carboxaldehyde
Methyl 2-(chloromethyl)-6-(difluoromethyl)-4-iodopyridine-3-carboxylate