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63999-05-3 benzenesulfonic acid,4-hydroxy-3-[[(2-hydroxyphenyl)[(2-hydroxy-5-sulfophenyl)azo]methyle

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Product Name Benzenesulfonic acid,4-hydroxy-3-[[(2-hydroxyphenyl)[(2-hydroxy-5-sulfophenyl)azo]methylene]hydrazino]-, disodium salt
CAS No. 63999-05-3
Molecular Formula C19H16N4O9S2・2Na