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