Oguro, Yuya; Miyamoto, Naoki; Okada, Kengo; Takagi, Terufumi; Iwata, Hidehisa; Awazu, Yoshiko; Miki, Hiroshi; Hori, Akira; Kamiyama, Keiji; Imamura, Shinichi Bioorganic and Medicinal Chemistry, 2010 , vol. 18, # 20 p. 7260 - 7273