参考文献:
Kolczewski, Sabine Adam, Geo Cesura, Andrea M. Jenck, Francois Hennig, Michael Oberhauser, Thomas Poli, Sonia M. Roessler, Felix Roever, Stephan Wichmann, Juergen Dautzenberg, Frank M. Journal of Medicinal Chemistry, 2003 , vol. 46, # 2 p. 255 - 264