参考文献

Nagatsugi, Fumi; Usui, Daisaku; Kawasaki, Takeshi; Maeda, Minoru; Sasaki, Shigeki Bioorganic and Medicinal Chemistry Letters, 2001, vol. 11, # 3 p. 343 - 345 doi: 10.1016/S0960-894X(00)00666-1