A. El-Gendy, A. El-Farargy, M. El-Mobayed, and E. Mohamed, “Some Reactions of Diethyl-2,3,4,6,7,8,9,10-octahydro- 2,6-dioxo-4,8-diphenyl-4a,8a-anthracene Dicarboxylate with Nitrogen and Carbon Nucleophiles ”, ajc, vol. 2, no. 2, pp. 168–180, Mar. 2010.