参考文献

du Pont de Nemours and Co. Patent: US2397341 , 1940 ; Full Text Show Details I.G.Farbenind. Patent: DE712373 , 1938 ; DRP/DRBP Org.Chem. Full Text Show Details Kurtz Justus Liebigs Annalen der Chemie, 1951 , vol. 572, p. 31,56