sodium 5,6-dichloro-2-[(1,3-diethyltetrahydro-4,6-dioxo-2-thioxo-(2H)-pyrimidin-5-ylidene)ethylidene]-3-ethyl-2,3-dihydro-1H-benzimidazole-1-butanesulphonate

5,6-Dichloro-2-[2-[(1,3-diethylhexahydro-4,6-dioxo-2-thioxopyrimidin)-5-ylidene]ethylidene]-3-ethyl-2,3-dihydro-1H-benzimidazole-1-butane-1-sulfonic acid sodium salt