... of Groningen Nijenborgh 4, 9747 AG, Groningen (The Netherlands) Fax: ( 31) 50-3634296 E-mail: Feringa@chem.rug.nl [b] Dr. H. Kooijman,[ ] Dr. AL Spek[ ] Bijvoet Center for Biomolecular Research Crystal and Structure Chemistry Utrecht University ... Page 5. ... Eur. J. 1999, 5, No. ...