Kataev,E.G. et al.
Journal of Organic Chemistry USSR (English Translation), 1967 , vol. 3, p. 1948 - 1952
Zhurnal Organicheskoi Khimii, 1967 , vol. 3, p. 1998 - 2002

Ford-Moore
Journal of the Chemical Society, 1949 , p. 2433,2440
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Alexander; McCombie
Journal of the Chemical Society, 1931 , p. 1916
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Lewin
Journal fuer Praktische Chemie (Leipzig), 1930 , vol. <2>127, p. 85
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Kretow
Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1930 , vol. 62, p. 15
Chem. Zentralbl., 1930 , vol. 101, # II p. 2508

Ford-Moore
Journal of the Chemical Society, 1949 , p. 2433,2440
Full Text Show Details
Alexander; McCombie
Journal of the Chemical Society, 1931 , p. 1916
Full Text Show Details
Kretow
Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1930 , vol. 62, p. 15
Chem. Zentralbl., 1930 , vol. 101, # II p. 2508