1. ICOA UMR CNRS 7311 University of. Orléans, CNRS Rue de Chartres 45067 Orléans Cedex 2 France
2. Engr H Meudal CBM UPR CNRS 4301 Rue Charles Sadron CS 80054 45071 Orléans Cedex 2 France
3. INEM UMR CNRS 7355 University of Orléans, CNRS 3B rue de la Férollerie 45073 Orléans France
4. Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovo Namesti 542 Prague 166 10 Czech Republic