Karaki, Fumika; Ohgane, Kenji; Fukuda, Hiromitsu; Nakamura, Masahiko; Dodo, Kosuke; Hashimoto, Yuichi Bioorganic and Medicinal Chemistry, 2014, vol. 22, # 14 p. 3587 - 3609 doi: 10.1016/j.bmc.2014.05.022