BISIMIDAZYLATE

DISODIUM PHENYL DIBENZIMIDAZOLE TETRASULFONATE

2214PHENYLENEBIS1HBENZIMIDAZOLE46DISULPHONICACIDMONOSODIUMSALT

2,2'-(1,4-Phenylene)bis[1H-benzimidazole-4,6-disulfonic acid], disodium salt

1H-Benzimidazole-4,6-disulfonic acid, 2,2-(1,4-phenylene)bis-, disodium salt