1. Graduate Program in Pharmaceutical Chemistry, Departments of Pharmaceutical Chemistry, Chemistry and Chemical Biology, Pharmaceutical Sciences and Pharmacogenomics, Stomatology, Anatomy, and Obstetrics, Gynecology and Reproductive Sciences, University of California San Francisco, San Francisco, California 94143, Department of Obstetrics and Gynecology, University of Nevada, Reno, Nevada 89509, and Department of Protein Sciences, Millenium Pharmaceuticals Inc., Cambridge, Massachusetts 02139