参考文献
Rao; Subramaniam
Journal of the Chemical Society, 1937 , p. 1338
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Bruckner
Journal fuer Praktische Chemie (Leipzig), 1933 , vol. <2> 138, p. 268,270
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Fujita
Nippon Kagaku Kaishi, 1941 , vol. 62, p. 1014
Nippon Kagaku Kaishi, 1943 , vol. 64, p. 599
Chem.Abstr., 1947 , p. 2776,3585