4-Amino-3-[[4-[[(1-anilinocarbonyl)-2-oxopropyl]azo]phenyl]azo]-6-[(2,5-disulphophenyl)azo]-5-hydroxynaphthalene-2,7-disulphonic acid,potassium sodium salt
4-Amino-3-[[4-[[(1-anilinocarbonyl)-2-oxopropyl]azo]phenyl]azo]-6-[(2,5-disulphophenyl)azo]-5-hydroxynaphthalene-2,7-disulphonic acid,potassium sodium salt