1. Research Center
for Marine Drugs
and Department of Pharmacology, School of Pharmacy, Second Military Medical University, 325 Guo-He Road, Shanghai
200433, People’s Republic of China
2. Department of
Organic Chemistry, University of Debrecen, POB 20, H-4010 Debrecen, Hungary
3. Institut für Mikrobiologie, Technische Universität Braunschweig, Spielmannstraße
7, 31806 Braunschweig, Germany