参考文献:
Nagarajan, Kuppuswamy Talwalker, Purnachard K. Goud, A. Nagana Shah, Rashmi K. Shenoy, Sharada J. Desai, Narasimha D. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 1113 - 1123