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