参考文献

I.G. Farbenind. Patent: ; Full Text Show Details Bayer and Co. Patent: DE131538 ; Full Text Show Details British Dyestuffs Corp., Shepherdson Patent: DE481617 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 16, p. 1261 Full Text Show Details German Dyestuffs and Dyestuff Intermediates Fiat Final Report Nr. 1313, Bd. II , S. 222