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