参考文献

Rao, M. S.; Kumar, R. Ashok; Rao, V. Rajeshwar; Raju, K. Raghava; Reddy, S. M.; Rao, T. V. Padmanabha Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 5 p. 483 - 485