2-(Bromomethyl)-5-(difluoromethyl)-6-iodo-3-nitropyridine
6-(Aminomethyl)-3-(difluoromethyl)-4-iodopyridine-2-acetonitrile
6-(Aminomethyl)-4-(difluoromethyl)-3-iodopyridine-2-acetonitrile
2-(Aminomethyl)-3-(difluoromethyl)-4-iodopyridine-5-acetonitrile