参考文献
Roblin et al.
Journal of the American Chemical Society, 1940 , vol. 62, p. 2002,2003
Journal of the American Chemical Society, 1942 , vol. 64, p. 567,568
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Guha; Das-Gupta
Journal of the Indian Chemical Society, 1945 , vol. 22, p. 79
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CIBA
Patent: CH229083 , 1938 ;