1. Pharmaceutical
Chemistry I, Pharmaceutical
Institute, PharmaCenter Bonn, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
2. Institute of Organic Chemistry,
University of Karlsruhe, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg
6, D-76131 Karlsruhe, Germany
3. Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), P.O. Box 3640,
D-76021 Karlsruhe, Germany
4. Laboratory of Inorganic Chemistry,
Department of Chemistry, University of Helsinki, 00014, Helsinki, Finland