Kaddah, A. M.; Khalil, A. M.; Tawfik, N. I.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 2 p. 122 - 124
Kaddah, A. M.; Khalil, A. M.; Tawfik, N. I.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 2 p. 122 - 124