El-Hashash, M. A.; Mohamed, M. M.; Sayed, F. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 2, p. 107 - 111
El-Hashash, M. A.; Mohamed, M. M.; Sayed, F. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 2, p. 107 - 111