Hattori, Hideshi; Nozawa, Eisuke; Iino, Tomoharu; Yoshimura, Yuichi; Shuto, Satoshi; Shimamoto, Yuji; Nomura, Makoto; Fukushima, Masakazu; Tanaka, Motohiro; Sasaki, Takuma; Matsuda, Akira Journal of Medicinal Chemistry, 1998, vol. 41, # 15 p. 2892 - 2902 doi: 10.1021/jm9801814