参考文献

Hatakeyama, Susumi; Ikeda, Tatsuhiko; Maeyama, Junji; Esumi, Tomoyuki; Iwabuchi, Yoshiharu; Irie, Hiroshi; Kawase, Akira; Kubodera, Noboru Bioorganic and Medicinal Chemistry Letters, 1997 ,  vol. 7,  # 22  p. 2871 - 2874