7,7′-(Carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid]134-47-4100 % similar N-Methyl J acid22346-43-668 % similar 2-Naphthalenesulfonic acid, 7,7′-(carbonyldiimino)bis[4-hydroxy-, sodium salt (1:2)20324-87-268 % similar Phenyl J acid119-40-465 % similar 1-Naphthol-3,6-disulfonic acid578-85-865 % similar 7-Amino-4-hydroxy-2-naphthalenesulfonic acid87-02-558 % similar 7-Acetamido-4-hydroxy-2-naphthalenesulfonic acid6334-97-053 % similar Phenyl γ-acid119-19-752 % similar 4-Hydroxy-6-[(3-sulfophenyl)amino]-2-naphthalenesulfonic acid25251-42-751 % similar Gamma acid90-51-748 % similar Chromotropic acid148-25-448 % similar 5-Amino-1-hydroxy-3-naphthalenesulfonic acid489-78-145 % similar 2-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid6535-70-244 % similar 8-Hydroxy-1,6-naphthalenedisulfonic acid117-43-143 % similar H Acid90-20-042 % similar 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt20349-39-741 % similar 6-Amino-1,3-naphthalenedisulfonic acid118-33-240 % similar 2-Naphthol-6-sulfonic acid93-01-639 % similar Direct orange 263626-36-639 % similar 2,6-Naphthalenedisulfonic acid581-75-938 % similar