1. Department of Inorganic Chemistry
2. University of Chemistry and Technology Prague
3. 166 28 Prague 6
4. Czech Republic
5. Institute of Organic Chemistry and Biochemistry AS CR, v.v.i.
6. 166 10 Prague 6
7. Division of Chemistry & Biological Chemistry
8. School of Physical and Mathematical Sciences
9. Nanyang Technological University
10. Singapore 637371
11. Singapore