4-[(4,8-disulpho-2-naphthyl)azo]naphthalene-1-diazonium chloride;1-Naphthalenediazonium, 4-((4,8-disulfo-2-naphthalenyl)azo)-, chloride;1-Naphthalenediazonium, 4-(2-(4,8-disulfo-2-naphthalenyl)diazenyl)-, chloride (1:1);Einecs 267-995-3
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