6-(2,3-dibromopropionamido)-3-[[5-(2,3-dibromopropionamido)-2-sulphophenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid

6-[(2,3-Dibromopropionyl)amino]-3-[[5-[(2,3-dibromopropionyl)amino]-2-sulfophenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid

2-Naphthalenesulfonic acid, 6-(2,3-dibromo-1-oxopropyl)amino-3-5-(2,3-dibromo-1-oxopropyl)amino-2-sulfophenylazo-4-hydroxy-