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