Moustafa, A. H.; Kaddah, A. M.; Shams, N. A.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. 20, # 12 p. 1084 - 1086

Moustafa, A. H.; Kaddah, A. M.; Shams, N. A.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. 20, # 12 p. 1084 - 1086