Mattei, Patrizio; Boehringer, Markus; Di Giorgio, Patrick; Fischer, Holger; Hennig, Michael; Huwyler, Joerg; Kocer, Buelent; Kuhn, Bernd; Loeffler, Bernd M.; MacDonald, Alexander; Narquizian, Robert; Rauber, Etienne; Sebokova, Elena; Sprecher, Urs Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 3 p. 1109 - 1113