... 5. Species 2 has been fully characterized by 1 H and 13 C NMR, MS, elemental analysis and X-ray crystal structure: Anelli, PL; Brocchetta, M.; Palano, D.; Paoli, P.; Visigalli, M. Book of Abstracts of the 11th ICOS, Amsterdam, The Netherlands, 30 June – 4 July 1996; Abs. PO-304. ...