El-Hashash, M. A.; Mahmoud, M. R.; Mahmoud, M. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1994, vol. 33, # 4, p. 380 - 384
El-Hashash, M. A.; Mahmoud, M. R.; Mahmoud, M. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1994, vol. 33, # 4, p. 380 - 384