Bis[4-chloro-2-[3-(5-chloro-2,4-dimethoxyphenylcarbamoyl)-2-hydroxy-1-naphtylazo]-5-methyl-1-benzenesulfonic acid]barium salt C??? ??, ??, ??

Bis[4-chloro-2-[3-(5-chloro-2,4-dimethoxyphenylcarbamoyl)-2-hydroxy-1-naphtylazo]-5-methyl-1-benzenesulfonic acid]barium salt ?? ?? ? ???

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Bis[4-chloro-2-[3-(5-chloro-2,4-dimethoxyphenylcarbamoyl)-2-hydroxy-1-naphtylazo]-5-methyl-1-benzenesulfonic acid]barium salt ?? ??