1. Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Department Drug Design and Optimization, Campus C2.3, 66123 Saarbrücken, Germany
2. Pharmaceutical
and Medicinal Chemistry, Saarland University, Campus C2.3, 66123 Saarbrücken, Germany
3. Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Department Microbial Natural Products, Campus C2.3, 66123 Saarbrücken, Germany
4. Biochemical
Engineering, Saarland University, Campus A1.5, 66123 Saarbrücken, Germany