trisodium 5-amino-3-[5-(2-bromoacryloylamino)-2-sulfonatophenylazo]-4-hydroxy-6-(4-vinylsulfonylphenylazo)naphthalene-2,7-disulfonate

5-Amino-3-[5-(2-bromoacryloylamino)2-sulfophenylazo]4-hydroxy-6-(4-vinylsulfonyl-phenyl-azo)-naphthalene-2,7-disulfonic acid sodium salt

2,7-Naphthalenedisulfonic acid, 4-amino-6-5-(2-bromo-1-oxo-2-propenyl)amino-2-sulfophenylazo-3-4-(ethenylsulfonyl)phenylazo-5-hydroxy-, trisodium salt