參考文獻:
Gabriel Colman Chemische Berichte, 1900 , vol. 33, p. 446 Full Text Show Details Graebe Justus Liebigs Annalen der Chemie, 1905 , vol. 340, p. 247
參考文獻:
Barnett Campbell Journal of the Chemical Society, 1935 , p. 1031 Full Text Show Details Eitel Fialla Monatshefte fuer Chemie, 1948 , vol. 79, p. 112,114, 118