参考文献

Takeshita, Mitsuhiro; Miura, Masatomo; Unuma, Yukiko; Iwai, Sakiko; Sato, Izumi; Hongo, Takahiko; Arai, Toshie; Kosaka, Kazuhiro Heterocycles, 1996 , vol. 42, # 2 p. 831 - 836