1. Department of Organic Chemistry, University of Debrecen, Debrecen 4002, Hungary
2. Doctoral School of Chemistry, University of Debrecen, Egyetem square 1, 4032 Debrecen, Hungary
3. Department of Physical Chemistry, University of Debrecen, Debrecen 4002, Hungary
4. Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, People’s Republic of China
5. Hungarian Research Network (HUN-REN), Research Group of Peptide Chemistry, Eötvös Loránd University, H1117 Budapest, Hungary
6. Servier Research Institute of Medicinal Chemistry, Budapest 1031, Hungary