, 6-Amino-5-[(E)-(4-chloro-5-méthyl-2-sulfonatophényl)diazényl]-4-hydroxy-2-naphtalènesulfonate de disodium, 6-amino-5-[(4-chloro-5-methyl-2-sulphophenyl)azo]-4-hydroxynaphthalene-2-sulphonic acid, sodium salt
, 6-amino-5-[[4-[[3-chloro-1-oxo-3-(phenylsulphonyl)propyl]amino]-2-[(ethylphenylamino)sulphonyl]phenyl]azo]naphthalene-1,3-disulphonic acid, sodium salt