参考文献

Sano, Shigeki; Okubo, Yoshinori; Handa, Atsushi; Nakao, Michiyasu; Kitaike, Syuji; Nagao, Yoshimitsu; Kakegawa, Hisao Chemical and Pharmaceutical Bulletin, 2011 , vol. 59, # 7 p. 885 - 888