参考文献

Meisenheimer; Senn; Zimmermann Chemische Berichte, 1927 , vol. 60, p. 1745 Full Text Show Details v. Auwers; Jordan Chemische Berichte, 1924 , vol. 57, p. 805,806 Full Text Show Details v. Auwers Chemische Berichte, 1924 , vol. 57, p. 1730