sodium 4-[[3-[(4-chloro-2-hydroxyphenyl)azo]-2,6-dihydroxyphenyl]azo]benzenesulphonate;Benzenesulfonic acid, 4-[[3-[(4-chloro-2-hydroxyphenyl) azo]-2,6-dihydroxyphenyl]azo]-, monosodium salt;4-[[3-[(4-Chloro-2-hydroxyphenyl)azo]-2,6-dihydroxyphenyl]azo]benzenesulfonic acid sodium salt;Einecs 279-310-5
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