1. Institute for Inorganic and Analytical Chemistry, Department of Instrumental Analytics/Bioorganic Analytics, Friedrich-Schiller-University Jena, 07743 Jena, Germany
2. Institute of Pharmacy, Department of Pharmaceutical/Medicinal Chemistry, Friedrich-Schiller-University Jena, 07743 Jena, Germany
3. Department of Biochemistry, Juntendo University School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan