Fujishima, Toshie; Zhaopeng, Liu; Konno, Katsuhiro; Nakagawa, Kimie; Okano, Toshio; Yamaguchi, Kentaro; Takayama, Hiroaki Bioorganic and Medicinal Chemistry, 2001, vol. 9, # 2 p. 525 - 535 doi: 10.1016/S0968-0896(00)00267-4