参考文献

Sugimura, Takashi; Futagawa, Tohru; Yoshikawa, Masato; Katagiri, Toshifumi; Miyashige, Ryoso; Mizuguchi, Miki; Nagano, Shinya; Sugimori, Seiji; Tai, Akira; Tei, Takahiro; Okuyama, Tadashi Tetrahedron, 2001 ,  vol. 57,  # 35  p. 7495 - 7499