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2,2′-Benzidinedisulfonic acid117-61-342 % similar 2-Amino-4,5-dichlorobenzoic acid20776-61-842 % similar 3,5-Diamino-4-methylbenzenesulfonic acid98-25-942 % similar 4-Amino-5-methoxy-2-toluenesulfonic acid6471-78-941 % similar Sodium 2-amino-4-chloro-5-methylbenzenesulfonate6627-59-441 % similar 2-Chloro-p-phenylenediamine sulfate61702-44-141 % similar 2-Chloro-p-phenylenediamine sulfate6219-71-241 % similar 5,6-Diaminonaphthalene-1,3-disulfonic acid73692-57-640 % similar S Acid83-64-740 % similar 2-Chloro-5-nitrobenzenesulfonic acid96-73-140 % similar 2-Naphthylamine-4,8-disulfonic acid131-27-140 % similar 3-Amino-4-hydroxybenzenesulfonic acid98-37-339 % similar Armstrong's acid81-04-939 % similar 8-Amino-2-naphthalenesulfonic acid119-28-839 % similar 5-Amino-2-naphthalenesulfonic acid119-79-939 % similar 5-Amino-2-methoxybenzenesulfonic acid6470-17-339 % similar 6-Aminonaphthalene-1-sulphonic acid81-05-039 % similar 4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid130-23-439 % similar 2-Amino-4-nitrophenol-6-sulfonic acid96-67-339 % similar 5-Amino-2-methylbenzenesulfonic acid118-88-738 % similar