Title: rac-N,N'-Bis(1-ferrocen-yleth-yl)pyridine-2,6-dicarboxamide.
Journal: Acta crystallographica. Section E, Structure reports online 20090301
Title: Isomeric 2,6-pyridino-cryptands based on dibenzo-24-crown-8.
Journal: The Journal of organic chemistry 20070427