Mukai, Takahiro; Hagimori, Masayori; Arimitsu, Kenji; Katoh, Takahiro; Ukon, Misa; Kajimoto, Tetsuya; Kimura, Hiroyuki; Magata, Yasuhiro; Miyoshi, Eiji; Taniguchi, Naoyuki; Node, Manabu; Saji, Hideo Bioorganic and Medicinal Chemistry, 2011, vol. 19, # 14 p. 4312 - 4321 doi: 10.1016/j.bmc.2011.05.047