2,7-Bis(4-carboxyphenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic acid
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2,7-Bis(4-carboxyphenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic acid;4,4-[(1,8-Dihydroxy-3,6-disulfo-2,7-naphthalenediyl)bis(azo)]bisbenzoic acid;Carboxybenzene S
Mn 19768-33-3