Fodor et al. Zhurnal Obshchei Khimii, 1951 , vol. 21, p. 1897,1900; engl. Ausg. S. 2109, 2111 Show Details Takamizawa et al. Yakugaku Zasshi, 1958 , vol. 78, p. 637,642 Chemical and Pharmaceutical Bulletin, 1966 , vol. 14, p. 238 Chem.Abstr., 1958 , p. 18411