Palanki, Moorthy S.S.; Gayo-Fung, Leah M.; Shevlin, Graziella I.; Erdman, Paul; Sato, Mark; Goldman, Mark; Ransone, Lynn J.; Spooner, Cheryl Bioorganic and Medicinal Chemistry Letters, 2002 , vol. 12, # 18 p. 2573 - 2577