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1-Naphthol-3,6-disulfonic acid578-85-8100 % similar 7-Amino-4-hydroxy-2-naphthalenesulfonic acid87-02-574 % similar N-Methyl J acid22346-43-668 % similar Phenyl J acid119-40-465 % similar 4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)134-47-465 % similar Chromotropic acid148-25-463 % similar 7-Acetamido-4-hydroxy-2-naphthalenesulfonic acid6334-97-062 % similar Gamma acid90-51-761 % similar 2,6-Naphthalenedisulfonic acid581-75-960 % similar 2-Naphthol-6-sulfonic acid93-01-659 % similar 2,7-Naphthalenedisulfonic acid92-41-158 % similar 8-Amino-4-hydroxynaphthalene-2-sulphonic acid489-78-156 % similar 4-Hydroxy-6-[(3-sulfophenyl)amino]-2-naphthalenesulfonic acid25251-42-756 % similar 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt20349-39-755 % similar 2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid6535-70-255 % similar 8-Hydroxy-1,6-naphthalenedisulfonic acid117-43-154 % similar Phenyl γ-acid119-19-753 % similar Naphthalene-2-sulfonic acid120-18-353 % similar 3-Amino-4-hydroxybenzenesulfonic acid98-37-353 % similar H Acid90-20-053 % similar