Bloom, Jonathan D.; DiGrandi, Martin J.; Dushin, Russell G.; Curran, Kevin J.; Ross, Adma A.; Norton, Emily B.; Terefenko, Eugene; Jones, Thomas R.; Feld, Boris; Lang, Stanley A. Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 17 p. 2929 - 2932