参考文献:
Asolkar Guha Journal of the Indian Chemical Society, 1946 , vol. 3, p. 47,49 Show Details I.G. Farbenind. Patent: US13361 , 1935 Full Text Show Details I.G. Farbenind. Patent: FR7977 , 1935 Full Text Show Details du Pont de Nemours and Co. Patent: US44643 , 1943