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