1. Institute of Organic Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
2. Institute of Analytical and Inorganic Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
3. Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
4. Dipartmento di Chimica, Biologia e Biotechnologie, Università Degli Studi Di Perugia, Via Elce di sotto, 8, 06123 Perugia, Italy