89290-20-0 1,3-Naphthalenedisulfonic acid,8-[[4-[(6,8-disulfo-2-naphthalenyl)azo]phenyl]azo]-7-hydroxy-,tetrasodium salt
89290-47-1 2-Naphthalenesulfonic acid,6-amino-3-[[4-[[4-[(2,4-diamino-5-ethylphenyl)azo]-3-ethylphenyl]amino]-2-ethylphenyl]azo]-4-hydroxy-, monosodium salt
89290-26-6 Benzoic acid,3,3'-[(2-chloro-5-methoxy-1,4-phenylene)bis(azo)]bis[6-hydroxy-5-sulfo-,tetraammonium salt