1. Institute
of Process Research and Development, School of Chemistry and School
of Chemical and Process Engineering and School of Mechanical Engineering, University of Leeds, Woodhouse Lane, LS2 9JT, West Yorkshire, U.K.
2. Sanofi-Aventis France, LGCR-CBD Chemical Development, Toulouse, France
3. Sanofi-Aventis Deutschland GmbH, R&D LGCR/Chemical Development FF Industriepark Hoechst, Bldg. G838, Room 010, D-65926 Frankfurt am Main, Germany