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874618-55-0 benzenesulfonic acid,4-[4,5-dihydro-3-methyl-5-oxo-4-[[4-[(4-sulfophenyl)azo]-1-naphthal

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Product Name Benzenesulfonic acid,4-[4,5-dihydro-3-methyl-5-oxo-4-[[4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-1H-pyrazol-1-yl]-, disodium salt
CAS No. 874618-55-0
Molecular Formula C26H20N6O7S2・2Na