参考文献

Shikata, Keiji; Niiro, Hayato; Azuma, Hideki; Tachibana, Taro; Ogino, Kenji Bioorganic and Medicinal Chemistry Letters, 2003, vol. 13, # 4 p. 613 - 616 doi: 10.1016/S0960-894X(02)01026-0