参考文献

Loeffler Chemische Berichte, 1904 , vol. 37, p. 1884 Full Text Show Details Lellmann Justus Liebigs Annalen der Chemie, 1890 , vol. 259, # 200 p. 205 Full Text Show Details Hofmann Chemische Berichte, 1885 , vol. 18, # 7 p. 16 Full Text Show Details Loeffler; Tschunke Chemische Berichte, 1909 , vol. 42, # 930 p. 946