Heinrich, Timo; Boettcher, Henning; Schiemann, Kai; Hoelzemann, Guenter; Schwarz, Michael; Bartoszyk, Gerd D.; Van Amsterdam, Christoph; Greiner, Hartmut E.; Seyfried, Christoph A.
Bioorganic and Medicinal Chemistry, 2004 , vol. 12, # 18 p. 4843 - 4852