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