参考文献

Yoshikawa, Kenji; Nagata, Tsutomu; Yoshino, Toshiharu; Nakamoto, Yumi; Haginoya, Noriyasu; Muto, Ryo; Mochizuki, Akiyoshi; Kanno, Hideyuki; Ohta, Toshiharu Heterocycles, 2012 , vol. 85, # 7 p. 1711 - 1720