参考文献

Ayabe, Shin-Ichi; Kobayashi, Miyuki; Hikichi, Manabu; Matsumoto, Kazuo; Furuya, Tsutomu Phytochemistry, 1980, vol. 19, # 10 p. 2179 - 2183 doi: 10.1016/S0031-9422(00)82219-0