89290-29-9 2-Naphthalenesulfonic acid,8,8'-[(2-methyl-1,4-phenylene)bis(azo)]bis[7-amino-, dilithium 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