Siddiqui, Abdul Hameed; Rajeshwar, K.; Baig, M. H., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984, vol. 23, # 3, p. 276 - 277
Siddiqui, Abdul Hameed; Rajeshwar, K.; Baig, M. H., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984, vol. 23, # 3, p. 276 - 277