Affiliation: | 1. Department of Chemical and Biological Sciences, Polytechnic University, Department of Biochemistry, SUNY Downstate Medical Center, Brooklyn, NY 11203 (USA);2. Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125 (USA), Fax: (+1)?626‐793‐8472;3. Department of Chemistry, Tufts University, Medford, MA 02155 (USA);4. Cancer Center, Tufts‐New England Medical Center, Boston, MA 02110 (USA) |