Badr, M. Z. A.; El-Naggar, G. M.; Aly, M. M.; Fahmy, A. M.
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Badr, M. Z. A.; El-Naggar, G. M.; Aly, M. M.; Fahmy, A. M.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 11 p. 961 - 964