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Bryant, Judi A. Helgeson, Roger C. Knobler, Carolyn B. deGrandpre, Mark P. Cram, Donald J. Journal of Organic Chemistry, 1990 , vol. 55, # 15 p. 4622 - 4634
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Borsche Trautner Justus Liebigs Annalen der Chemie, 1926 , vol. 447, p. 8 Full Text Show Details Blanksma Chem. Zentralbl., 1909 , vol. 80, # II p. 1219