参考文献
Resinous Prod. and Chem. Co.
Patent: US2339218 , 1941 ;
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Resinous Prod. and Chem. Co.
Patent: US2280058 , 1941 ;
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Bruson
Journal of the American Chemical Society, 1942 , vol. 64, p. 2457,2459
Journal of the American Chemical Society, 1944 , vol. 66, p. 2135