Synonyms: 3(2H)-BENZOTHIAZOLEPROPANESULFONIC ACID, 2-[4-(1,3-DIBUTYLTETRAHYDRO-4,6-DIOXO-2-THIOXO-5(2H)-PYRIMIDINYLIDENE)-2-BUTENYLIDENE]-, SODIUM SALT (1:1);SODIUM 3-(2-((Z,2E)-4-[1,3-DIBUTYL-4,6-DIOXO-2-THIOXOTETRAHYDRO-5(2H)-PYRIMIDINYLIDENE]-2-BUTENYLIDENE)-1,3-BENZOTHIAZOL-3-YL)-1-PROPANESULFONATE