Preobrashenskii; Beer Zhurnal Obshchei Khimii, 1945 , vol. 15, p. 667,670 Chem.Abstr., 1946 , p. 5724 Full Text Show Details Sugasawa et al. Yakugaku Zasshi, 1952 , vol. 72, p. 192 Chem.Abstr., 1953 , p. 6418