参考文献
Dey; Sankaranarayanan
Journal of the Indian Chemical Society, 1931 , vol. 8, p. 817,822
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Dey; Sankaran
Proceedings of the National Institute of Sciences of India, 1940 , vol. 6, p. 173,185, 186
Archiv der Pharmazie (Weinheim, Germany), 1942 , vol. 280, p. 1,14, 15