Saunders; Stacey Journal of the Chemical Society, 1949 , p. 918 Full Text Show Details Knunjanz; Kildischewa; Bychowskaja Zhurnal Obshchei Khimii, 1949 , vol. 19, p. 110 Chem.Abstr., 1949 , p. 6164 Full Text Show Details McCombie; Saunders Nature (London, United Kingdom), 1946 , vol. 158, p. 383 Chem. Zentralbl., 1947 , vol. 118, p. 2807