英文名称:3(2H)-Benzoxazolebutanesulfonicacid, 2-[2-(1-butyl-3-ethyl-5-oxo-2-thioxo-4-imidazolidinylidene)ethylidene]-,potassium salt (1:1); 3(2H)-Benzoxazolebutanesulfonicacid, 2-[(1-butyl-3-ethyl-5-oxo-2-thioxo-4-imidazolidinylidene)ethylidene]-,potassium salt (9CI)