1. Chemistry Department and Research Center Optimas; TU Kaiserslautern; Erwin-Schrödinger-Strasse 52 67663 Kaiserslautern Germany
2. CYNORA GmbH; Werner-von-Siemens-Strasse 2-6, Building 5110 76646 Bruchsal Germany
3. Institute of Organic Chemistry; Karlsruhe Institute of Technology; Fritz-Haber-Weg 6 76131 Karlsruhe Germany
4. Institute of Toxicology and Genetics; Karlsruhe Institute of Technology; Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany