Buchstaller, Hans-Peter; Eggenweiler, Hans-Michael; Sirrenberg, Christian; Graedler, Ulrich; Musil, Djordje; Hoppe, Edmund; Zimmermann, Astrid; Schwartz, Harry; Maerz, Joachim; Bomke, Joerg; Wegener, Ansgar; Wolf, Michael Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 13 p. 4396 - 4403