Khalaf, Ali A.; Kabli, Rida A.; Mekki, Mohamed S. T.; Kaddah, Ahmed M.; Ghawgi, Ahmed B.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1987 , vol. 26, # 1-12 p. 220 - 224

Khalaf, Ali A.; Kabli, Rida A.; Mekki, Mohamed S. T.; Kaddah, Ahmed M.; Ghawgi, Ahmed B.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1987 , vol. 26, # 1-12 p. 220 - 224

Khalaf, Ali A.; Kabli, Rida A.; Mekki, Mohamed S. T.; Kaddah, Ahmed M.; Ghawgi, Ahmed B.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1987 , vol. 26, # 1-12 p. 220 - 224

Bosch,A.; Brown,R.K.
Canadian Journal of Chemistry, 1968 , vol. 46, p. 715 - 728