2,2'-(1,4-phenylene)bis(1H-benzo[d]imidazole-4,6-disulfonic acid); 1H-Benzimidazole-5,7-disulfonic acid, 2,2'-(1,4-phenylene) Sodium Salt; 1H-Benzimidazole-4,6-disulfonic acid, 2,2'-(1,4-phenylene) Sodium Salt; Bisdisulizole Sodium; Bisimidazylate Sodium Salt; Sodium Bisdisulizole; Disodium Phenyldibenzimidazoletetrasulfonate Sodium Salt; Neo Heliopan Sodium Salt; Neo Heliopan APC Sodium Salt
