1. Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM) Friedrich-Alexander University Erlangen-Nürnberg Nikolaus Fiebiger-Straße 10 91058 Erlangen Germany
2. Institute for Clinical and Molecular Virology Friedrich-Alexander University Erlangen-Nürnberg Schlossgarten 4 91054 Erlangen Germany
3. Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovo náměstí 542/2 160 00 Praha 6 Czech Republic