1. Institute of Inorganic Chemistry, Academy of Sciences of the Czech Republic, Husinec-Řež 250 68, Czech Republic
2. Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogenea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, ES-50009 Zaragoza, Spain
3. School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
4. Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, CZ-166 10 Prague 6, Czech Republic