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62639-42-3 benzenesulfonic acid,4-[[2-hydroxy-5-[[(4-nitrophenyl)amino]carbonyl]phenyl]azo]-,monosod

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Product Name Benzenesulfonic acid,4-[[2-hydroxy-5-[[(4-nitrophenyl)amino]carbonyl]phenyl]azo]-,monosodium salt
CAS No. 62639-42-3
Molecular Formula C19H14N4O7S・Na