1. Department
of Chemistry, Sonoma State University,
Rohnert Park, California 94928,
United States
2. Department
of Chemistry, University of California, Davis, 1 Shields Avenue,
Davis, California 95616, United States
3. Department of Molecular and Medical
Pharmacology, UCLA School of Medicine,
Center for the Health Sciences, Los Angeles, California 90095, United
States
4. Department of Pharmacology
and
Chemical Biology, University of Pittsburgh, E13s40 Thomas E. Starzl Biomedical Science Tower, Lothrop Street,
Pittsburgh, Pennsylvania 15261, United States
5. Tumor Biology Section, Radiation
Biology Branch, National Cancer Institute, Bethesda, Maryland 20892, United States