1. Department of Organic Chemistry, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary
2. Department of General and Inorganic Chemistry, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary
3. Institute of Materials and Environmental Chemistry, Hungarian Academy of Sciences, Magyar tudósok krt. 2., H-1117 Budapest, Hungary
4. Department of Physical Chemistry, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
5. NMR Laboratory, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary
6. Egis Pharmaceuticals PLC, Keresztúri út 30-38., H-1106 Budapest, Hungary