1. Department of Biomolecular ChemistryLeibniz Institute for Natural Product Research and Infection Biology, HKI Beutenbergstrasse 11a 07745 Jena Germany
2. Institute for Physical ChemistryFriedrich Schiller University Jena Helmholtzweg 4 07743 Jena Germany
3. Transfer Group AntiinfectivesLeibniz Institute for Natural Product Research and Infection Biology (HKI) 07745 Jena Germany
4. Institute for Organic and Macromolecular Chemistry (IOMC)Friedrich Schiller University Jena 07743 Jena Germany
5. Chair of Natural Product ChemistryFriedrich Schiller University Jena 07743 Jena Germany