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2-[(2-Arsonophenyl)azo]-1,8-dihydroxy-7-(4-sulfo-2,6-dichlorophenylazo)naphthalene-3,6-disulfonic acid Structure

2-[(2-Arsonophenyl)azo]-1,8-dihydroxy-7-(4-sulfo-2,6-dichlorophenylazo)naphthalene-3,6-disulfonic acid