参考文献

Levaillant Annales de Chimie (Cachan, France), 1936 , vol. <11>6, p. 524,525 Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1930 , vol. 190, p. 56 Full Text Show Details Bissinger; Kung Journal of the American Chemical Society, 1947 , vol. 69, p. 2162 Anm.17 Full Text Show Details Am.Cyanamid Co. Patent: US2377148 , 1941 ; Full Text Show Details Komissarow Zhurnal Obshchei Khimii, 1933 , vol. 3, p. 311,312 Chem. Zentralbl., 1934 , vol. 105, # II p. 40