Golec, Julian M. C.; Mullican, Michael D.; Murcko, Mark A.; Wilson, Keith P.; Kay, David P.; Jones, Stuart D.; Murdoch, Robert; Bemis, Guy W.; Raybuck, Scott A.; Luong, Yu-Ping; Livingston, David J. Bioorganic and Medicinal Chemistry Letters, 1997, vol. 7, # 17 p. 2181 - 2186 doi: 10.1016/S0960-894X(97)00394-6