2-Amino-1,5-naphthalenedisulfonic acid117-62-432 % similar 2-Amino-4-chloro-5-methylbenzenesulfonic acid88-51-732 % similar C Amine88-53-932 % similar Orthanilic acid88-21-131 % similar 4-Amino-5-methoxy-2-toluenesulfonic acid6471-78-931 % similar p-Toluenesulfonic acid monohydrate6192-52-531 % similar 3,4-Diaminobenzenesulfonic acid7474-78-431 % similar 5,6-Diaminonaphthalene-1,3-disulfonic acid73692-57-630 % similar 2-(4-Aminophenyl)-6-methyl-7-benzothiazolesulfonic acid130-17-630 % similar 2-Amino-5-methoxy-1,4-benzenedisulfonic acid27327-48-630 % similar