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