Namba, Kensuke; Zheng, Xiaoxia; Motoshima, Kazunori; Kobayashi, Hidetomo; Tai, Akihiro; Takahashi, Eizo; Sasaki, Kenji; Okamoto, Keinosuke; Kakuta, Hiroki
Bioorganic and Medicinal Chemistry, 2008 , vol. 16, # 11 p. 6131 - 6144