参考文献

Okamoto, Yoshinori; Anan, Hideki; Nakai, Eiichi; Morihira, Koichiro; Yonetoku, Yasuhiro; Kurihara, Hiroyuki; Sakashita, Hitoshi; Terai, Yoshiya; Takeuchi, Makoto; Shibanuma, Tadao; Isomura, Yasuo Chemical and Pharmaceutical Bulletin, 1999 , vol. 47, # 1 p. 11 - 21