Tandon, V K; Vaish, Meenu; Jain, Sudha Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992 , vol. 31, # 1 p. 53 - 54 Title/Abstract Full Text Show Details Tandon, V. K.; Vaish, Meenu; Khan, Z. K. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1993 , vol. 32, # 4 p. 445 - 448