McMullen
Journal of the American Chemical Society, 1922 , vol. 44, p. 2057
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Willstaetter; Waldschmidt-Leitz
Chemische Berichte, 1921 , vol. 54, p. 1423
Huston; Fox; Binder
Journal of Organic Chemistry, 1938 , vol. 3, p. 252
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Huston; Barrett
Journal of Organic Chemistry, 1946 , vol. 11, p. 657,661