1. Department of Chemistry, and Medicinal Chemistry Program of the Life Sciences Institute, National University of Singapore, 3 Science Drive 3, Singapore 117543, Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, Howard Hughes Medical Institute, Jack H. Skirball Center for Chemical Biology and Proteomics, The Salk Institute for Biological Studies, La Jolla, California 92037, and Xenobe Research Institute, 3371 Adams Avenue, San...