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89277-21-4 benzoic acid, 3-ethyl-2-hydroxy-5-[[4-[(4-sulfophenyl)azo]phenyl]azo]-,dilithium salt

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Product Name Benzoic acid, 3-ethyl-2-hydroxy-5-[[4-[(4-sulfophenyl)azo]phenyl]azo]-,dilithium salt
CAS No. 89277-21-4
Molecular Formula C21H18N4O6S・2Li