Specker, Edgar; Boettcher, Jark; Heine, Andreas; Sotriffer, Christoph A.; Lilie, Hauke; Schoop, Andreas; Mueller, Gerhard; Griebenow, Nils; Klebe, Gerhard Journal of Medicinal Chemistry, 2005 , vol. 48, # 21 p. 6607 - 6619