Kambe, Tohru; Maruyama, Toru; Nakai, Yoshihiko; Yoshida, Hideyuki; Oida, Hiroji; Maruyama, Takayuki; Abe, Nobutaka; Nishiura, Akio; Nakai, Hisao; Toda, Masaaki Bioorganic and Medicinal Chemistry, 2012, vol. 20, # 7 p. 2235 - 2251 doi: 10.1016/j.bmc.2012.02.018