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