1. Research Group of Organic Chemistry Vrije Universiteit Brussel Pleinlaan 2 1050 Brussels Belgium
2. Confo Therapeutics N.V. Technologiepark-Zwijnaarde 94 9052 Ghent Belgium
3. Department of Pharmacy University “G. d'Annunzio” of Chieti-Pescara Via dei Vestini 31 66100 Chieti Italy