- Synthesis and antiviral properties of (+/-)-5'-noraristeromycin and related purine carbocyclic nucleosides. A new lead for anti-human cytomegalovirus agent design. Patil, S.D., Schneller, S.W., Hosoya, M., Snoeck, R., Andrei, G., Balzarini, J., De Clercq, E. J. Med. Chem. (1992)