参考文献

Uenishi, Jun'ichi; Ueno, Tetsuya; Hata, Sin'ichiro; Nishiwaki, Kenji; Tanaka, Takakazu; Wakabayashi, Shoji; Yonemitsu, Osamu; Oae, Shigeru Heterocycles, 1999 , vol. 50, # 1 p. 341 - 351