Direct Yellow 4 dye | 75508-33-7 (Di-potassium salt) |
68966-53-0 (Hydrochloride salt) | 3051-11-4 (Di-hydrochloride salt) |
75673-23-3 (Potassium.hydrochloride salt) | 79069-96-8 (Potassium.hydrochloride salt) |
4,4''-Vinylenebis(4'-hydroxyazobenzene-3-sulfonic acid) | 4,4'-Bis(p-hydroxyphenylazo)-2,2'-stilbenedisulfonic acid |
4,4'-Bis(4-hydroxyphenylazo)stilbene-2,2'-disulfonic acid | 4,4'-Bis[(4-hydroxyphenyl)azo]-2,2'-stilbenedisulfonic acid |
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