4,4′-Diaminodiphenylamine-2-sulfonic acid119-70-0100 % similar 5-Amino-2-(phenylamino)benzenesulfonic acid91-30-583 % similar 2-[(4-Aminophenyl)amino]-5-nitrobenzenesulfonic acid91-29-268 % similar 2,5-Diaminobenzenesulfonic acid88-45-961 % similar 2,2′-Benzidinedisulfonic acid117-61-358 % similar 2,4-Diaminobenzenesulfonic acid88-63-157 % similar 5-Amino-2-methylbenzenesulfonic acid118-88-754 % similar 4,4′-Diamino-2,2′-stilbenedisulfonic acid81-11-854 % similar 5-Amino-2-chlorobenzenesulfonic acid88-43-754 % similar 4-Amino-2-sulfobenzoic acid527-76-452 % similar 4,4′-Diaminodiphenylamine sulfate53760-27-351 % similar 5-Amino-2-methoxybenzenesulfonic acid6470-17-350 % similar Sulfanilic acid121-57-347 % similar D Acid81-05-047 % similar 1,4-Benzenediamine, N1-phenyl-, sulfate (2:1)4698-29-746 % similar 6-Amino-1,3-naphthalenedisulfonic acid118-33-245 % similar 7-Amino-1,3-naphthalenedisulfonic acid86-65-745 % similar 2,4-Diaminodiphenylamine136-17-445 % similar 2-Naphthylamine-4,8-disulfonic acid131-27-144 % similar 6-Amino-2-naphthalenesulfonic acid93-00-544 % similar