3-(Aminomethyl)-6-(difluoromethyl)-2-methoxypyridine-4-acetonitrile
3-(Aminomethyl)-6-(difluoromethyl)-2-methoxypyridine-5-acetonitrile
3-(Aminomethyl)-6-(difluoromethyl)-4-methoxypyridine-2-acetonitrile
5-(Aminomethyl)-2-(difluoromethyl)-4-methoxypyridine-3-acetonitrile