Leonard, Kristi; Marugan, Juan Jose; Raboisson, Pierre; Calvo, Raul; Gushue, Joan M.; Koblish, Holly K.; Lattanze, Jennifer; Zhao, Shuyuan; Cummings, Maxwell D.; Player, Mark R.; Maroney, Anna C.; Lu, Tianbao Bioorganic and Medicinal Chemistry Letters, 2006 , vol. 16, # 13 p. 3463 - 3468