1. Department
of Pharmacognosy and Natural Products Chemistry, School of Pharmacy, University of Athens, Panepistimiopolis Zografou, GR-15771, Athens, Greece
2. Chair
of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller-University, 07743 Jena, Germany
3. Department
of Pharmacy, University of Naples Federico II, Naples, Italy