Combrink, Keith D.; Gulgeze, H. Belgin; Yu, Kuo-Long; Pearce, Bradley C.; Trehan, Ashok K.; Wei, Jianmei; Deshpande, Milind; Krystal, Mark; Torri, Albert; Luo, Guangxiang; Cianci, Christopher; Danetz, Stephanie; Tiley, Laurence; Meanwell, Nicholas A. Bioorganic and Medicinal Chemistry Letters, 2000 , vol. 10, # 15 p. 1649 - 1652