6-(Chloromethyl)-3-(difluoromethyl)-4-hydroxypyridine-2-acetonitrile
2-(Bromomethyl)-6-(difluoromethyl)-5-iodopyridine-3-acetic acid
5-(Aminomethyl)-3-(difluoromethyl)-2-iodo-4-nitropyridine
3-(Aminomethyl)-5-(difluoromethyl)-2-iodopyridine-4-methanol