参考文献
Spaeth; Kolbe
Chemische Berichte, 1925 , vol. 58, p. 2283
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Gadamer; v. Bruchhausen
Archiv der Pharmazie (Weinheim, Germany), 1926 , p. 197,202, 204
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Spaeth; Pikl
Chemische Berichte, 1929 , vol. 62, p. 2250