Kumar, Atul; Singh, S.; Saxena, A. K.; Shanker, K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 443 - 447

Kumar, Atul; Singh, S.; Saxena, A. K.; Shanker, K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 443 - 447