1. ORIL Industrie 13 rue Auguste Desgénétais 76210 Boulbec France
2. Department of Chemistry University of Neuchâtel Avenue Bellevaux 51 2000 Neuchâtel Switzerland
3. Dipartimento di Chimica “G. Ciamician” Alma Mater Studiorum – Università di Bologna Via Selmi 2 I-40126 Bologna Italy