参考文献
Union Carbide and Carbon Corp.
Patent: US2666085 , 1950 ;
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Columbia Southern Chem. Corp.
Patent: US2819321 , 1955 ;
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Spryskow; Erykalow
Zhurnal Obshchei Khimii, 1958 , vol. 28, p. 1637,1639; engl. Ausg. S. 1688
Z. obs. Chim., 1959 , vol. 29, p. 2798,2799; engl. Ausg. S. 2762