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Al Mamari, Khalil, Hamid Ennajih, Rachid Bouhfid, El Mokhtar Essassi, و Seik Weng Ng. 5,5′′-Dibromo-1,1′′-bis­(prop-2-en-1-yl)-1,1′′,2,2′′-tetra­hydro­dispiro­[indole-3,7′-[6,9]diaza­tricyclo­[7.3.0.0(2,6)]dodecane-8′,3′′-indole]-2,2′′-dione. International Union of Crystallography, 2012.

Al Mamari, Khalil, et al. 5,5′′-Dibromo-1,1′′-bis­(prop-2-en-1-yl)-1,1′′,2,2′′-tetra­hydro­dispiro­[indole-3,7′-[6,9]diaza­tricyclo­[7.3.0.0(2,6)]dodecane-8′,3′′-indole]-2,2′′-dione. International Union of Crystallography, 2012.