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1-Amino-2-naphthol-4-sulfonic acid116-63-2100 % similar 2-Amino-1-naphthol-4-sulfonic acid567-13-559 % similar 1-Naphthol-4-sulfonic acid84-87-758 % similar L Acid117-59-954 % similar Naphthionic acid84-86-653 % similar 2-Naphthylamine-4,8-disulfonic acid131-27-153 % similar 8-Amino-1-naphthol-5,7-disulfonic acid monosodium salt52789-62-552 % similar Armstrong's acid81-04-950 % similar 2-Nitroso-1-naphthol-4-sulfonic acid3682-32-449 % similar 5,6-Diaminonaphthalene-1,3-disulfonic acid73692-57-649 % similar S Acid83-64-749 % similar Laurent acid84-89-949 % similar 1,3,5-Naphthalenetrisulfonic acid6654-64-448 % similar Naphthalene-1,5-disulfonic acid tetrahydrate211366-30-246 % similar 2,5-Diamino-1,3-benzenedisulfonic acid6409-48-946 % similar Orthanilic acid88-21-146 % similar 8-Amino-4-hydroxynaphthalene-2-sulphonic acid489-78-145 % similar Naphthalene-1-sulfonic acid85-47-245 % similar 2-Amino-1,5-naphthalenedisulfonic acid117-62-444 % similar 4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid130-23-443 % similar