Murata, Natsuko; Fujimori, Shiho; Ichihara, Yoshitatsu; Sato, Yoshio; Yamaji, Taketo; Tsuboi, Hiroshi; Uchida, Masayuki; Suzuki, Hiroto; Yamada, Masashi; Oikawa, Tsutomu; Nemoto, Hideo; Nobuhiro, Junko; Choshi, Tominari; Hibino, Satoshi Chemical and Pharmaceutical Bulletin, 2006, vol. 54, # 11 p. 1567 - 1570 doi: 10.1248/cpb.54.1567