参考文献
Asahina; Ishidate; Tsukamoto <Tukamoto>
Yakugaku Zasshi, 1936 , vol. 56, p. 395,397
Chemische Berichte, 1936 , vol. 69, p. 355,357
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Maelkoenen
Annales Academiae Scientiarum Fennicae, Series A2: Chemica, 1964 , # 128 p. 30,41
