Shridhar, D. R.; Jogibhukta, M.; Vishwakarma, L. C.; Joshi, P. P.; Narayan, G. K. A. S. S.; et al.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 5 p. 445 - 448

Shridhar, D. R.; Jogibhukta, M.; Vishwakarma, L. C.; Joshi, P. P.; Narayan, G. K. A. S. S.; et al.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 5 p. 445 - 448