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4(-2-hidroxi-1-naftilazo)naftalenosulfonato de sodio
sodium 4(-2-hydroxy-1-naphthylazo)naphthalenesulphonate

1-(1-naftilazo)-2-hidroxinaftaleno-4',6,8-trisulfonato de trisodio
trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate

4-hidroxi-3-(4-sulfonato-1-naftilazo) naftaleno-1-sulfonato disódico
disodium 4-hydroxy-3-(4-sulfonato-1-naphthylazo) naphthalene-1-sulfonate

2-hidroxi-1-(4-sulfonato-1-naftilazo) naftaleno-3,6-disulfonato trisódico
trisodium 2-hydroxy-1-(4-sulfonato-1-naphthylazo) naphthalene-3,6-disulfonate

[4'-(8-acetilamino-3,6-disulfonato-2-naftilazo)-4''-(6-benzoilamino-3-sulfonato-2-naftilazo)bifenil-1,3',3'',1'''-tetraolato-o, o', o'', o''']cobre (ii) de trisodio
trisodium-[4'-(8-acetylamino-3,6-disulfonato-2-naphthylazo)-4''-(6-benzoylamino-3-sulfonato-2-naphthylazo)biphenyl-1,3',3'',1'''-tetraolato-o, o', o'', o''']copper(ii)