参考文献
Schrauth; Goerig
Chemische Berichte, 1923 , vol. 56, p. 1904
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Hueckel
Angewandte Chemie, 1929 , vol. 42, p. 482
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Hueckel et al.
Justus Liebigs Annalen der Chemie, 1930 , vol. 477, p. 99,134,136
Justus Liebigs Annalen der Chemie, 1958 , vol. 616, p. 46,57,72
