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C.I. Pigment red 53:15160-02-136 % similar Direct black 381937-37-736 % similar 2-Naphthalenesulfonic acid, 7,7′-(carbonyldiimino)bis[4-hydroxy-, sodium salt (1:2)20324-87-236 % similar Disodium 1,5-naphthalenedisulfonate1655-29-436 % similar Disodium 2,6-naphthalenedisulfonate1655-45-436 % similar Sodium 1-naphthalenesulfonate130-14-335 % similar Poly(sodium 4-styrenesulfonate)25704-18-135 % similar Sodium 4-styrenesulfonate2695-37-635 % similar 1-Naphthol-4-sulfonic acid84-87-735 % similar Direct blue 62602-46-235 % similar Ponceau 3R3564-09-835 % similar Sodium 7-hydroxy-2-naphthalenesulfonate135-55-735 % similar Chromotropic acid disodium salt dihydrate5808-22-035 % similar Pyranine6358-69-635 % similar 1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt887-76-335 % similar Azomethine-H monosodium5941-07-135 % similar Disodium 2,7-naphthalenedisulfonate1655-35-235 % similar Direct black 196428-31-535 % similar Sodium 2-anthraquinonesulfonate131-08-835 % similar Disodium 1,6-naphthalenedisulfonate1655-43-235 % similar