Tasler, Stefan; Baumgartner, Roland; Aschenbrenner, Andrea; Ammendola, Astrid; Wolf, Kristina; Wieber, Tanja; Schachtner, Josef; Blisse, Marcus; Quotschalla, Udo; Ney, Peter Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 11 p. 3399 - 3404