El-Gawad, Ibrahim I. Abd; Harhash, Abd El-Hamid; Abou-Elzahab, Mohamed M. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1983, vol. 22, # 5, p. 481 - 483
El-Gawad, Ibrahim I. Abd; Harhash, Abd El-Hamid; Abou-Elzahab, Mohamed M. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1983, vol. 22, # 5, p. 481 - 483