Itoh, Takashi; Miyazaki, Michiko; Ikeda, Sachiko; Nagata, Kazuhiro; Yokoya, Masashi; Matsuya, Yuji; Enomoto, Yasuko; Ohsawa, Akio Tetrahedron, 2003, vol. 59, # 19 p. 3527 - 3536 doi: 10.1016/S0040-4020(03)00420-4