Affiliation: | a Research Center for Marine Drugs, School of Pharmacy, Second Military Medical University, 325 Guo-He Road, Shanghai 200433, PR China;b Institut für Mikrobiologie, Technische Universität Braunschweig, Spielmannstraße 7, 31806 Braunschweig, Germany;c Department Chemie, Universityät Paderborn, Warburger Straße 100, 33098 Paderborn, Germany |