参考文献

Okada, Yoshio; Tsuda, Yuko; Tada, Mayako; Wanaka, Keiko; Okamoto, Utako; Hijikata-Okunomiya, Akiko; Okamoto, Shosuke Chemical and Pharmaceutical Bulletin, 2000 , vol. 48, # 12 p. 1964 - 1972