[1] Merck & Co Inc, Rahway, NJ 07065 USA
[2] Albany Mol Res Inc, Syracuse Res Ctr, N Syracuse, NY 13212 USA
[3] UFRJ, Inst Quim, Dept Quim Inorgan, BR-21949900 Rio De Janeiro, Brazil
[4] Dev Ctr SA, B-1348 Mont St Guibert, Belgium
[5] Sepracor Inc, Chem R&D, Marlborough, MA 01752 USA
[6] Univ Mumbai, Univ Inst Chem Technol, Dept Chem Engn, Bombay 400019, Maharashtra, India