-- Dr. C. Klein; cklein(at)pharma.anbi.ethz.ch Dept. of Applied Biosciences, Pharmaceutical Chemistry Swiss Federal Institute of Technology / ETH Zuerich Winterthurerstr. 190 CH-8057 Zuerich Phone: +41 1 6356062 FAX : +41 1 6356884Received on Mon Oct 07 2002 - 01:43:00 PDT