1. Universität Leipzig, Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Johannisallee 29, 04103 Leipzig, Germany
2. Department of Engineering and Natural Sciences, University of Applied Sciences Merseburg, Eberhard-Leibnitz-Str. 2, 06217 Merseburg, Germany
3. Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, D 06120 Halle (Saale), Germany