参考文献

v. Bruchhausen; Schultze Archiv der Pharmazie (Weinheim, Germany), 1929 , p. 628 Full Text Show Details Spaeth; Pikl Chemische Berichte, 1929 , vol. 62, p. 2250 Full Text Show Details Kondo; Narita Yakugaku Zasshi, 1929 , vol. 49, p. 103 Chem. Zentralbl., 1929 , vol. 100, # II p. 1926