Yamakawa, Naoki; Suemasu, Shintaro; Matoyama, Masaaki; Kimoto, Ayumi; Takeda, Miho; Tanaka, Ken-Ichiro; Ishihara, Tomoaki; Katsu, Takashi; Okamoto, Yoshinari; Otsuka, Masami; Mizushima, Tohru Journal of Medicinal Chemistry, 2010 , vol. 53, # 21 p. 7879 - 7882