Xie, Yuli; Liu, Yidong; Gong, Gangli; Rinderspacher, Alison; Deng, Shi-Xian; Smith, Deborah H.; Toebben, Udo; Tzilianos, Effie; Branden, Lars; Vidovic, Dusica; Chung, Caty; Schuerer, Stephan; Tautz, Lutz; Landry, Donald W. Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 9 p. 2840 - 2844