Link; Sorensen, Bryan K.; Lai, Chunqiu; Wang, Jiahong; Fung, Steven; Deng, Daisy; Emery, Maurice; Carroll, Sherry; Grynfarb, Marlena; Goos-Nilsson, Annika; Von Geldern, Thomas Bioorganic and Medicinal Chemistry Letters, 2004 , vol. 14, # 16 p. 4173 - 4178