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8-Amino-4-hydroxynaphthalene-2-sulphonic acid489-78-144 % similar S Acid83-64-744 % similar 4-Hydroxybenzenesulfonic acid98-67-944 % similar 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid88-23-344 % similar H Acid90-20-044 % similar 4-Aminoazobenzene-4′-sulfonic acid104-23-443 % similar Naphthalene-2-sulfonic acid hydrate6036-00-643 % similar 5-Amino-2-methoxybenzenesulfonic acid6470-17-343 % similar p-Toluenesulfonic acid104-15-442 % similar 4-Iodobenzenesulphonic acid13035-63-742 % similar 4-Fluorobenzenesulfonic acid368-88-742 % similar 4-Chlorobenzenesulfonic acid98-66-842 % similar 5-Amino-2-methylbenzenesulfonic acid118-88-742 % similar 1-Naphthol-3,6-disulfonic acid578-85-842 % similar 4,4′-Diamino-2,2′-stilbenedisulfonic acid81-11-842 % similar 5-Amino-2-chlorobenzenesulfonic acid88-43-742 % similar 4-Sulfophthalic acid89-08-742 % similar Benzenesulfonic acid98-11-342 % similar 4-Acetamido-2-aminobenzenesulfonic acid88-64-242 % similar 4,4′-Diaminodiphenylamine-2-sulfonic acid119-70-041 % similar