2,2′-Benzidinedisulfonic acid117-61-3100 % similar 2,5-Diaminobenzenesulfonic acid88-45-970 % similar 5-Amino-2-methylbenzenesulfonic acid118-88-766 % similar 4,4′-Diamino-2,2′-stilbenedisulfonic acid81-11-866 % similar 5-Amino-2-chlorobenzenesulfonic acid88-43-766 % similar 2,4-Diaminobenzenesulfonic acid88-63-165 % similar 5-Amino-2-methoxybenzenesulfonic acid6470-17-360 % similar 4,4′-Diaminodiphenylamine-2-sulfonic acid119-70-058 % similar 4-Amino-2-sulfobenzoic acid527-76-458 % similar D Acid81-05-056 % similar 5-Amino-2-(phenylamino)benzenesulfonic acid91-30-555 % similar 6-Amino-1,3-naphthalenedisulfonic acid118-33-254 % similar 7-Amino-1,3-naphthalenedisulfonic acid86-65-754 % similar Sulfanilic acid121-57-353 % similar 6-Amino-2-naphthalenesulfonic acid93-00-553 % similar 2-Naphthylamine-4,8-disulfonic acid131-27-153 % similar Metanilic acid121-47-152 % similar 7-Amino-1,3,5-naphthalenetrisulfonic acid27310-25-451 % similar 5-Amino-2-[2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid119-72-249 % similar 4,6-Diamino-1,3-benzenedisulfonic acid137-50-848 % similar