1. Department of Chemistry, Center for Education and Research on Macromolecules (CERM), CESAM Research Unit, University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium
2. Institute of Organic Chemistry (IOC), Materialwissenschaftliches Zentrum MZE, Karlsruhe Institute of Technology (KIT), Straße am Forum 7, 76131 Karlsruhe, Germany
3. Organic Synthesis and Mass Spectrometry Laboratory (S2MOS), University of Mons, 23 Place du Parc, B-7000 Mons, Belgium