1. Chair
of Macromolecular Chemistry, Faculty of Natural Science II (Chemistry,
Physics and Mathematics), Martin-Luther University Halle-Wittenberg, Von-Danckelmann-Platz 4, Halle (Saale) D-06120, Germany
2. Institute
of Chemistry, Martin-Luther University Halle-Wittenberg, Kurt-Mothes-Straße 2, Halle (Saale) D-06120, Germany