McCombie, Stuart W.; Tagat, Jayaram R.; Vice, Susan F.; Lin, Sue-Ing; Steensma, Ruo; Palani, Anandan; Neustadt, Bernard R.; Baroudy, Bahige M.; Strizki, Julie M.; Endres, Michael; Cox, Kathleen; Dan, Niya; Chou, Chuan-Chu Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 3 p. 567 - 571