参考文献
Plancher
Chemische Berichte, 1898 , vol. 31, p. 1496
Gazzetta Chimica Italiana, 1898 , vol. 28 II, p. 372
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Brunner
Chemische Berichte, 1898 , vol. 31, p. 613
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Brunner
Chemische Berichte, 1898 , vol. 31, p. 1948
Monatshefte fuer Chemie, 1900 , vol. 21, p. 165,167
