参考文献

Ibrahim, Alhussein A.; Matsumoto, Mutsumi; Miyahara, Yuji; Izumi, Kenji; Suenaga, Masahiko; Shimizu, Nobujiro; Inazu, Takahiko Journal of Heterocyclic Chemistry, 1998 , vol. 35, # 1 p. 209 - 215