1. Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute 9800 Medical Center Drive, Rockville, Maryland 20850, United States
2. National Center for Advancing Translational Sciences 9800 Medical Center Drive, Rockville, Maryland 20850, United States
3. Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
4. Russian Academy of Sciences, Leninskiy Prospekt 14, Moscow 119991, Russia
5. School of Chemical & Biomolecular Sciences and Materials Technology Center, Southern Illinois University, Carbondale, Illinois 62901, United States
6. National Institute of Neurological Disorder and Stroke, Laboratory for Functional and Molecular Imaging, 31 Center Drive, Bethesda, Maryland 20814, United States
7. Frederick National Laboratory for Cancer Research, Division of Cancer Treatment and Diagnosis (DCTD), National Cancer Institute, 8560 Progress Drive, Frederick, Maryland 21701 United States
8. Center for Cancer Research, National Cancer Institute, 31 Center Drive, Bethesda, Maryland 20814, United States