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10142-31-1 benzenesulfonic acid,3-[[ethyl[4-[(4-nitrophenyl)azo]phenyl]amino]methyl]-, sodium salt

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Product Name Benzenesulfonic acid,3-[[ethyl[4-[(4-nitrophenyl)azo]phenyl]amino]methyl]-, sodium salt
CAS No. 10142-31-1
Molecular Formula C21H20N4O5S・Na