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4,4'-[[(4-Methoxyphenyl)methylene]bis[(2-methyl-4,1-phenylene)azo[(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole)-4,1-diyl]]]bis[(benzenesulfonic acid)anion] Structure

4,4'-[[(4-Methoxyphenyl)methylene]bis[(2-methyl-4,1-phenylene)azo[(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole)-4,1-diyl]]]bis[(benzenesulfonic acid)anion]