Hopkins, Corey; Neuenschwander, Kent; Scotese, Anthony; Jackson, Sharon; Nieduzak, Thaddeus; Pauls, Henry; Liang, Guyan; Sides, Keith; Cramer, Dona; Cairns, Jennifer; Maignan, Sebastien; Mathieu, Magali Bioorganic and Medicinal Chemistry Letters, 2004, vol. 14, # 19 p. 4819 - 4823 doi: 10.1016/j.bmcl.2004.07.051