参考文献
Hodgson; Beard
Journal of the Chemical Society, 1927 , p. 2381
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Tiemann; Ludwig
Chemische Berichte, 1882 , vol. 15, p. 2055
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Troeger; Eicker
Journal fuer Praktische Chemie (Leipzig), 1927 , vol. <2>116, p. 28,31