Affiliation: | 1. Department of Pharmaceutical Chemistry, Small Molecule Discovery Center, University of California, San Francisco, Mission Bay Campus, 1700 4th Street, San Francisco, CA 94158 (USA), Fax: +(1)?415‐514‐4507;2. Department of Pathology, Stanford School of Medicine, 300 Pasteur Drive, Stanford, CA 94305 (USA), Fax. (+1)?650‐725‐7424;3. Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720‐1460 (USA), Fax: +(1)510‐642‐8369 |