Tamura, Osamu; Hashimoto, Masaru; Kobayashi, Yuko; Katoh, Tadashi; Nakatani, Kazuhiko; Kamada, Masahiro; Hayakawa, Isao; Akiba, Toshifumi; Terashima, Shiro
Tetrahedron, 1994 , vol. 50, # 13 p. 3889 - 3904