参考文献

Seki, Toshimi; Nakao, Tomio; Masuda, Takeshi; Hasumi, Kohichi; Gotanda, Kotaro; Ishimori, Tsutomu; Honma, Seijiro; Minami, Nobuyoshi; Shibata, Kenyu; Yasuda, Kikuo Chemical and Pharmaceutical Bulletin, 1996 , vol. 44, # 11 p. 2061 - 2069