参考文献

Tsuji, Kiyoshi; Nakamura, Katsuya; Ogino, Takashi; Konishi, Nobukiyo; Tojo, Takashi; Ochi, Takehiro; Seki, Nobuo; Matsuo, Masaaki Chemical and Pharmaceutical Bulletin, 1998 , vol. 46, # 2 p. 279 - 286