1. Research Group of Organic ChemistryDepartments of Bioengineering Sciences and ChemistryVrije Universiteit Brussel Pleinlaan 2 1050 Brussels Belgium
2. NMR and Structure Analysis UnitDepartment of Organic and Macromolecular ChemistryGhent University Krijgslaan 281 9000 Gent Belgium
3. Eenheid Algemene Chemie (ALGC)Department of ChemistryVrije Universiteit Brussel Pleinlaan 2 1050 Brussels Belgium
4. XStruct Bio-Inorganic Group, Department of ChemistryGhent University Krijgslaan 281 9000 Gent Belgium
5. Laboratoire de Chimie BiologiqueUniversité de Cergy–Pontoise 5 Mail Gay-Lussac 95031 Cergy-Pontoise cedex France