Ogino, Yoshio; Ohtake, Norikazu; Nagae, Yoshikazu; Matsuda, Kenji; Moriya, Minoru; Suga, Takuya; Ishikawa, Makoto; Kanesaka, Maki; Mitobe, Yuko; Ito, Junko; Kanno, Tetsuya; Ishihara, Akane; Iwaasa, Hisashi; Ohe, Tomoyuki; Kanatani, Akio; Fukami, Takehiro Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 18 p. 5010 - 5014