Bednjagina; Postowskii Chimija chim. Technol. (NDVS)Chem.Abstr., 1959 , vol. 2, p. 333,336 Chimija chim. Technol. (NDVS)Chem.Abstr., 1960 , p. 509 Full Text Show Details Angelini Annali di Chimica (Rome, Italy), 1955 , vol. 45, p. 162,164 Full Text Show Details Nakajima et al. Yakugaku Zasshi, 1958 , vol. 78, p. 1378,1381 Chem.Abstr., 1959 , p. 8124