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Inouye, Masahiko; Chiba, Junya; Nakazumi, Hiroyuki
Journal of Organic Chemistry, 1999 , vol. 64, # 22 p. 8170 - 8176

Ikemoto, Tetsuya; Mitsuhashi, Kazuhiro; Mori, Kenji
Tetrahedron: Asymmetry, 1993 , vol. 4, # 4 p. 687 - 694