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89784-99-6 benzenesulfonic acid,3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydrox

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Product Name Benzenesulfonic acid,3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxy-,monosodium salt
CAS No. 89784-99-6
Molecular Formula C18H14N6O8S・Na