Abe, Yoshito; Kayakiri, Hiroshi; Satoh, Shigeki; Inoue, Takayuki; Sawada, Yuki; Imai, Keisuke; Inamura, Noriaki; Asano, Masayuki; Hatori, Chie; Katayama, Akira; Oku, Teruo; Tanaka, Hirokazu Journal of Medicinal Chemistry, 1998, vol. 41, # 4 p. 564 - 578 doi: 10.1021/jm970591c