Gupta, P. K.; Bhakuni, D. S., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981, vol. 20, # 8, p. 702 - 703
Gupta, P. K.; Bhakuni, D. S., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981, vol. 20, # 8, p. 702 - 703