1. Department of Chemistry, Hunter College of the City University of New York, New York, New York 10028, United States
2. Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
3. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
4. Department of Radiology, Weill Cornell Medical College, New York, New York 10065, United States
5. Program in Molecular Pharmacology and Chemistry, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States