1. Department of Inorganic and Analytical Chemistry, NMR Group, Budapest University of Technology and Economics, H-1111 Budapest, Hungary
2. Servier Research Institute of Medicinal Chemistry (SRIMC), H-1031 Budapest, Hungary
3. Institute of Petrochemistry and Catalysis of Russian Academy of Sciences, 450075 Ufa, Russia
4. Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan