参考文献

Nagashima, Shinya; Yokota, Masaki; Nakai, Ei-ichi; Kuromitsu, Sadao; Ohga, Keiko; Takeuchi, Makoto; Tsukamoto, Shin-ichi; Ohta, Mitsuaki Bioorganic and Medicinal Chemistry, 2007 , vol. 15, # 2 p. 1044 - 1055