6-[(2,4-Diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diamino-5-sulfophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-2-sulfophenyl]amino]phenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid tetrasodium salt
6-[(2,4-Diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diamino-5-sulfophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-2-sulfophenyl]amino]phenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid tetrasodium salt
