3,3'-[2,6-Diethoxy-1,4-phenylenebis[iminocarbonyl(acetylmethylene)azo]]bis[N-[3-(1-chloroethyl)phenyl]-2-chlorobenzamide] C??? ??, ??, ??

3,3'-[2,6-Diethoxy-1,4-phenylenebis[iminocarbonyl(acetylmethylene)azo]]bis[N-[3-(1-chloroethyl)phenyl]-2-chlorobenzamide] ?? ?? ? ???

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3,3'-[2,6-Diethoxy-1,4-phenylenebis[iminocarbonyl(acetylmethylene)azo]]bis[N-[3-(1-chloroethyl)phenyl]-2-chlorobenzamide] ?? ??