Islam, A. M.; Bedair, A. H.; Aly, F. M.; El-Sharief, A. M. Sh.; El-Masry, F. M.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 3 p. 224 - 226

Islam, A. M.; Bedair, A. H.; Aly, F. M.; El-Sharief, A. M. Sh.; El-Masry, F. M.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 3 p. 224 - 226

Mittal, A. K.; Singhal, O. P.
Journal of the Indian Chemical Society, 1986 , vol. 63, p. 759 - 760