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4-Formylbenzenesulfonic acid5363-54-234 % similar 4-Hydrazinobenzenesulfonic acid98-71-534 % similar 4-Aminoazobenzene-4′-sulfonic acid104-23-434 % similar 1-Amino-2-naphthol-4-sulfonic acid116-63-234 % similar 8-Amino-2-naphthalenesulfonic acid119-28-834 % similar 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt20349-39-734 % similar 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid96-93-534 % similar Poly(4-styrenesulfonic acid)28210-41-533 % similar 3-Amino-4-methylbenzenesulfonic acid618-03-133 % similar p-Toluenesulfonic acid monohydrate6192-52-533 % similar 3-Pyridinesulfonic acid636-73-733 % similar 4-Sulfophthalic acid89-08-733 % similar 4-Amino-3-methylbenzenesulfonic acid98-33-933 % similar 3-Amino-4-chlorobenzenesulfonic acid98-36-233 % similar 4-Ethylbenzenesulfonic acid98-69-133 % similar 3-(Acetylamino)-5-amino-4-hydroxybenzenesulfonic acid40306-75-033 % similar 5,6-Diaminonaphthalene-1,3-disulfonic acid73692-57-633 % similar S Acid83-64-733 % similar Sodium 2,3-dihydroxynaphthalene-6-sulfonate135-53-533 % similar 4,6-Diamino-1,3-benzenedisulfonic acid137-50-832 % similar