Takatani Nippon Kagaku Zasshi, 1955 , vol. 76, p. 9 Chem.Abstr., 1957 , p. 17724 Full Text Show Details Takatani Nippon Kagaku Zasshi, 1953 , vol. 74, p. 890,892 Chem.Abstr., 1955 , p. 3784