1. Center for New Directions in Organic Synthesis, Howard Hughes Medical Institute, and Departments of Chemistry and Molecular and Cell Biology, University of California, Berkeley, California 94720, Genomics Institute of the Novartis Research Foundation, 3115 Merryfield Row, Suite 200, San Diego, California 92121, Pharmacogenetics Section, Laboratory of Reproductive and Developmental Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, and Department...