1. Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
2. Division of Hematology-Oncology, Department of Medicine, University of Pittsburgh School of Medicine, 5150 Centre Avenue, Pittsburgh, Pennsylvania 15232, United States
3. Cancer Therapeutics Program, UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, Pennsylvania 15232, United States