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3,4-Diaminobenzenesulfonic acid7474-78-450 % similar Pyridinium p-toluenesulfonate24057-28-147 % similar Potassium 4-carboxybenzenesulfonate5399-63-347 % similar Aniline-2,4-disulfonic acid137-51-947 % similar 6-Aminopyridine-3-sulfonic acid16250-08-147 % similar 2-Naphthol-6-sulfonic acid93-01-647 % similar 2-Amino-1,4-benzenedisulfonic acid98-44-247 % similar Collidinium P-toluenesulfonate59229-09-345 % similar Naphthalene-2-sulfonic acid hydrate6036-00-645 % similar 6-Amino-2-naphthalenesulfonic acid93-00-545 % similar 3-Amino-4-hydroxybenzenesulfonic acid98-37-345 % similar 3-Pyridinesulfonic acid636-73-745 % similar (1,1'-Biphenyl)-4,4'-disulfonyl dichloride3406-84-644 % similar 1-Naphthol-3,6-disulfonic acid578-85-844 % similar 3-Amino-4-methylbenzenesulfonic acid618-03-144 % similar 4-Formyl-1,3-benzenedisulfonic acid88-39-144 % similar 4-Sulfophthalic acid89-08-744 % similar 4-Amino-3-methylbenzenesulfonic acid98-33-944 % similar 3-Amino-4-chlorobenzenesulfonic acid98-36-244 % similar Metanilic acid121-47-143 % similar