1. Department of Inorganic Chemistry; University of Chemistry and Technology Prague; Technická 5 166 28 Prague 6 Czech Republic
2. Institute of Organic Chemistry and Biochemistry AS CR; v.v.i., Flemingovo nám. 2 166 10 Praha 6 Czech Republic
3. Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Nanyang Link 21 Singapore 637371 Singapore