Katoh, Takahiro; Akagi, Taichi; Noguchi, Chie; Kajimoto, Tetsuya; Node, Manabu; Tanaka, Reiko; Nishizawa (nee Iwamoto), Manabu; Ohtsu, Hironori; Suzuki, Noriyuki; Saito, Koichi Bioorganic and Medicinal Chemistry, 2007 , vol. 15, # 7 p. 2736 - 2748