Ashry, E. S. H. El; Nassr, M.; Rahman, M. M. A. Abdel, Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. 19, # 8, p. 716 - 717
Ashry, E. S. H. El; Nassr, M.; Rahman, M. M. A. Abdel, Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. 19, # 8, p. 716 - 717