Hassan, Alaa A; Mourad, Aboul-fetouh E Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992 , vol. 31, # 4 p. 277 - 279 Title/Abstract Full Text Show Details Hassan, Alaa A.; Mourad, Aboul-Fetouh E. Revue Roumaine de Chimie, 1994 , vol. 39, # 4 p. 397 - 404