Onda, Kenichi; Suzuki, Takayuki; Shiraki, Ryota; Yonetoku, Yasuhiro; Negoro, Kenji; Momose, Kazuhiro; Katayama, Naoko; Orita, Masaya; Yamaguchi, Tomohiko; Ohta, Mitsuaki; Tsukamoto, Shin-ichi Bioorganic and Medicinal Chemistry, 2008 , vol. 16, # 10 p. 5452 - 5464