参考文献:
Ramana, M. M. V. Kudav, N. A. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 9 - 41
参考文献:
Simonis Danischewski Chemische Berichte, 1926 , vol. 9, p. 2918 Full Text Show Details v. Auwers Risse Chemische Berichte, 191 , vol. 64, p. 2218,2221