1. CNRS, LCC (Laboratoire de Chimie de Coordination),
205 Route de Narbonne,
BP 44099, F-31077 Toulouse, Cedex 4, France
2. Université de Toulouse, UPS, INPT, LCC, F-31077 Toulouse, France
3. Institute of Biochemistry and
Biophysics, Polish Academy of Sciences,
Pawińskiego 5A, 02-106 Warsaw, Poland