Fahmy, A. M.; Hassan, Kh. M.; Khalaf, A. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 884 - 887
Fahmy, A. M.; Hassan, Kh. M.; Khalaf, A. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 884 - 887