参考文献

I.G.Farbenind. Patent: DE574840 , 1931 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 19, p. 820 Full Text Show Details Ockenden; Schofield Journal of the Chemical Society, 1957 , p. 3175,3180 Full Text Show Details Vejdelek Collection of Czechoslovak Chemical Communications, 1957 , vol. 22, p. 1852,1854