Mahmoud, A. M.; El-Sherief, H. A. H.; El-Naggar, G. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1983, vol. 22, # 5, p. 491 - 493
Mahmoud, A. M.; El-Sherief, H. A. H.; El-Naggar, G. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1983, vol. 22, # 5, p. 491 - 493