1. MDS Pharma Services; Laboratoire de Synthèse; 865 Boulevard Michèle-Bohec Blainville QC Canada J7C 5J6
2. Université Libre de Bruxelles; CP 160/08 50 Ave. F. D. Roosevelt Brussels Belgium 1050
3. Université Libre de Bruxelles; Laboratory of Supramolecular Chemistry and Catalysis; Organic Chemistry Division; CP 160-06 50 Ave. F. D. Roosevelt Brussels Belgium 1050
4. University of Nice-Sophia Antipolis; Department of Chemistry; Faculty of Sciences; 28 Parc Valrose Nice Cedex 2 France 06108