Shafiullah; Shamsuzzaman; Khan, B. Z., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 188 - 190
Shafiullah; Shamsuzzaman; Khan, B. Z., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 188 - 190