Peifer, Christian; Selig, Roland; Kinkel, Katrin; Ott, Dimitri; Totzke, Frank; Schaechtele, Christoph; Heidenreich, Regina; Roecken, Martin; Schollmeyer, Dieter; Laufer, Stefan Journal of Medicinal Chemistry, 2008 , vol. 51, # 13 p. 3814 - 3824