, 6-[(2,4-diamino-5-sulphophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diamino-5-sulphophenyl)azo]-1-hydroxy-3-sulpho-2-naphthyl]azo]phenyl]amino]-3-sulphophenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid, sodium salt
, 6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diamino-5-sulphophenyl)azo]-1-hydroxy-3-sulpho-2-naphthyl]azo]-2-sulphophenyl]amino]phenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid, sodium salt
, 6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diamino-5-sulphophenyl)azo]-1-hydroxy-3-sulpho-2-naphthyl]azo]phenyl]amino]-3-sulphophenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid, sodium salt